
PROGRAMMABLE ELLIPTICAL
TRAINER
SF-E3875
USER MANUAL
IMPORTANT! Please retain owner’s manual for maintenance and adjustment instructions. Your
satisfaction is very important to us, PLEASE DO NOT RETURN UNTIL YOU HAVE
CONTACTED US: [email protected] or 1- 877 - 90SUNNY (877-907-8669).

1
IMPORTANT SAFETY INFORMATION
We thank you for choosing our product. To ensure your safety and health, please use this
equipment correctly. It is important to read this entire manual before assembling and using the
equipment. Safe and effective use can only be achieved if the equipment is assembled,
maintained and used properly. It is your responsibility to ensure that all users of the equipment
are informed of all warnings and precautions.
1. Before starting any exercise program, you should consult your physician to determine if you
have any medical or physical conditions that could put your health and safety at risk, or
prevent you from using the equipment properly. Your physician’s advice is essential if you
are taking medication that affects your heart rate, blood pressure or cholesterol level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your health.
Stop exercising if you experience any of the following symptoms: pain, tightness in your
chest, irregular heartbeat, shortness of breath, lightheadedness, dizziness or feelings of
nausea. If you do experience any of these conditions, you should consult your physician
before continuing with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for adult use
only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor or
carpet. To ensure safety, the equipment should have at least 4 feet (1.2 M) of free space all
around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment. The safety
of the equipment can only be maintained if it is regularly examined for damage and/or wear
and tear.
6. Always use the equipment as indicated. If you find any defective components while
assembling or checking the equipment, or if you hear any unusual noises coming from the
equipment during exercise, discontinue use of the equipment immediately and do not use
until the problem has been rectified.
7. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
8. Do not place fingers or objects into the moving parts of the equipment.
9. The maximum weight capacity of this unit is 300 pounds (135 KG).
10. The equipment is not suitable for therapeutic use.
11. To avoid bodily injury and/or damage to the product or property, proper lifting and moving is
required.
12. Your product is intended for use in cool, dry conditions. You should avoid storage in extreme
cold, hot or damp areas as this may lead to corrosion and other related problems.
13. This equipment is designed for indoor and home use only, it is not intended for commercial
use!

2
EXPLODED DIAGRAM

3
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
1
Main Frame
1
47
Inner Hex Pan Head Bolt
M8xL50
2
2
Base Frame
1
48
Limited Bushing
2
3L/R
Swing Tube
1 pr.
49
Cap Nut
M8
2
4L/R
Wheel Frame
1 pr
50
Wheel Cover
2
5L/R
Pedal Support
1 pr.
51
Cross Pan Head Self-
drilling Screw
ST4.2X18
24
6
Crank
2
52
Round Cap
2
7
Adjusting Pad
4
53
Foam Grip
2
8
Hex Nut
M10
4
54
Round Cap
2
9
End Cap
4
55
Adaptor
1
10
Aluminum Decoration
Cover
4
56
Bearing
6002Z
4
11
Cross Pan Head Bolt
M6X15
16
57
Flat Washer
D8XΦ22X2
5
12
Inner Hex Pan Head Bolt
M10X45
2
58
Tension Cable
1
13
Wheel
2
59
Flange Nut
M10X1.25
2
14
Small Flat Washer
D10XΦ20X2
8
60
Crank Cover
2
15
Nylon Nut
M10
4
61
Cross Pan Head Self-
drilling Screw
ST4.2X12
4
16
Inner Hex Cylinder Head
Bolt
M10XL65
4
62
Flat Washer
D5XD16X1.2
4
17
Inner Hex Cylinder Head
Bolt
M10X20
2
63
Nylon Nut
M6
5
18
Curve Washer
D10XΦ20X2
2
64
Spring Washer
D6
4
19
Wave Washer
D21
1
65
Belt Pulley
1
20
Bearing
6004Z
6
66
Centre Axle
1
21
Flat Washer
D8XΦ25X2
2
67
Hex Bolt
M6X15
4
22
Spring Washer
D8
6
68
Sleeve
1
23
Inner Hex Pan Head Bolt
M8X20
7
69
Inner Sleeve
1
24
Cap
4
70
Flat Washer
D20XΦ30X2.0
1
25
Aluminum Bushing
2
71
Nylon Nut
M20X1.5
1
26
Foam Grip
2
72
Flat Washer
1
27
End Cap
2
73
Pull Rod
1
28
Sensor Wire
1
74
Idler Linkage
1
29
Pulse Wire
2
75
Bearing
6300Z
2
30
Meter
1
76
Wave Washer
D10
1
31
Cross Pan Head Screw
4
77
Axle Spring Washer
D10
1
32
Flat Washer
D8XΦ20X2
4
78L/R
Belt Cover
1 pr.
33
Bearing
6003Z
8
79
Flange Nut
M10X1
2
34
Wave Washer
D17
4
80
Thin Nut
M10X1
2
35
Plastic Bushing
2
81
Flywheel
1
36L/R
Pedal
1 pr.
82
Belt
1
37
Hex Bolt
Φ12X125XM10
2
83
Crank Cover
2
38
Big Flat Washer
D12XΦ24X2
2
84
Bottle Holder
1
39
Sleeve
2
85
Motor
1
40
Round Cap
2
86
Allen Wrench
S=8
1
41
Bearing
2203
2
87
Allen Wrench
S=6
1
42
Axle Spring Washer
D40
2
88
Allen Wrench
S=6
1
43
Flange Bushing
4
89
Spanner
S=10,13,14,15,17
1
44
Nylon Nut
M8
5
90
Spanner
S=17,19
1
45
Axle Spring Washer
D34
4
91
Sleeve
4
46
Guiding Wheel
4
92
Spanner
S=16,18
1
PARTS LIST

4
HARDWARE PACKAGE
Ordering Replacement Parts (U.S. and Canadian Customers only)
Please provide the following information in order for us to accurately identify the part(s) needed:
✓ The model number (found on cover of manual)
✓ The product name (found on cover of manual)
✓ The part number found on the “EXPLODED DIAGRAM” and “PARTS LIST” (found near
the front of the manual)
Please contact us at [email protected] or 1- 877 - 90SUNNY (877-907-8669).
#89 S=10,13,14,15,17 1PC
#87 S=6 1PC
#86 S=8 1PC
#88 S=6 1PC
#90 S=17,19 2PCS
#
#92 S=16,18 1PC

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ASSEMBLY INSTRUCTIONS
We value your experience using Sunny Health and Fitness products. For assistance with parts or
907-8669).
STEP 1:
Remove the preassembled 4 Inner Hex
Cylinder Head Bolts (No. 16), 4 Small
Flat Washers (No. 14), 2 Inner Hex
Cylinder Head Bolts (No. 17) and 2
Curve Washers (No. 18) from the Base
Frame (No. 2). Attach the Main Frame
(No. 1) to the Base Frame (No. 2) with 4
Inner Hex Cylinder Head Bolts (No. 16),
4 Small Flat Washers (No. 14), 2 Inner
Hex Cylinder Head Bolts (No. 17) and 2
Curve Washers (No. 18) that were just
removed. Tighten and secure with Allen
Wrench (No. 86).
Remove the preassembled 2 Inner Hex
Pan Head Bolts (No. 47), 2 Limited
Bushings (No. 48) and 2 Cap Nuts (No.
49) from the Wheel Frames (No. 4L/R).
Move the Left Wheel Frame (No. 4L) so
the hole on the metal plate is lower than
the Base Frame (No. 2). See Fig A. Insert
Inner Hex Pan Head Bolt (No. 47)
through Limited Bushing (No. 48) and
the hole in the metal plate of the Wheel
Frame (No. 4L). Screw Cap Nut (No. 49)
onto the end of Inner Hex Pan Head Bolt
(No. 47). See Fig B. Tighten with Allen
Wrench (No. 87) and Spanner (No. 89).
Repeat to attach the Right Wheel Frame
(No. 4R) to the Base Frame (No. 2).
Fig A
Fig B

6
We value your experience using Sunny Health and Fitness products. For assistance with parts or
907-8669).
STEP 2:
Remove the preassembled 4 Cross Pan
Head Self-drilling Screws (No. 51) from
the Wheel Frames (No. 4L/R). Attach the
Wheel Covers (No. 50) to the Wheel
Frames (No. 4L/R) with 4 Cross Pan
Head Self-drilling Screws (No. 51) that
were just removed. Tighten and secure
with Spanner (No. 89).
Remove the preassembled 2 Inner Hex
Pan Head Bolts (No. 23), 2 Spring
Washers (No. 22), 2 Flat Washers (No.
21) and 4 Sleeves (No. 91) from the long
axle on the Main Frame (No. 1).
Attach the Swing Tubes (No. 3L/R) to the
axle of Main Frame (No. 1) with 2 Inner
Hex Pan Head Bolts (No. 23), 2 Spring
Washers (No. 22), 2 Flat Washers (No.
21) and 4 Sleeves (No. 91) that were just
removed. Tighten and secure with Allen
Wrench (No. 88).
Note: Do not fully tighten at this time.

7
We value your experience using Sunny Health and Fitness products. For assistance with parts or
907-8669).
STEP 3:
Remove the preassembled 2 Inner Hex
Pan Head Bolts (No. 23), 2 Spring
Washers (No. 22), 2 Flat Washers (No.
57), 2 Sleeves (No. 39) and 2 Plastic
Bushings (No. 35) from the Swing Tubes
(No. 3L/R). Attach the Pedal Supports
(No. 5L/R) to the Swing Tubes (No. 3L/R)
with 2 Inner Hex Pan Head Bolts (No. 23),
2 Spring Washers (No. 22), 2 Flat
Washers (No. 57) 2 Sleeves (No. 39) and
2 Plastic Bushings (No. 35) that were just
removed. Tighten and secure with Allen
Wrench (No. 87).
Note: Do not fully tighten at this time.
Remove the preassembled 2 Hex Bolts
(No. 37), 2 Big Flat Washers (No. 38), 2
Small Flat Washers (No. 14) and 2 Nylon
Nuts (No. 15) from the Pedal Supports
(No. 5L/R). Attach the Pedal Supports
(No. 5L/R) to the Wheel Frames (No. 4L/R)
with 2 Hex Bolts (No. 37), 2 Flat Washers
(No. 38) 2 Small Flat Washers (No. 14)
and 2 Nylon Nuts (No. 15) that were just
removed. Tighten and secure with
Spanners (No. 90 & 92).
Now fully tighten all bolts assembled in Step
2 and 3 that connect the Swing Tubes (No.
3 L/R) to the Main Frame (No. 1) and to the
Pedal Supports (No. 5 L/R). Fully tighten
the bolts that connect the Pedal Supports
(No. 5 L/R) to the Wheel Frames (No. 4
L/R). Cover the bolts on the Swing Tubes
(No. 3 L/R) with 2 Caps (No. 24).
Note: If the elliptical trainer makes noise
during use, the bolts may be loose on the
trainer. Please inspect and tighten any
loose bolts.

8
We value your experience using Sunny Health and Fitness products. For assistance with parts or
907-8669).
STEP 4:
Remove the preassembled 8 Cross Pan
Head Bolts (No. 11) from the Pedal
Supports (No. 5L/R). Attach the Pedals
(No. 36L/R) to the Pedal Supports (No.
5L/R) with 8 Cross Pan Head Bolts (No.
11) that were just removed. Tighten and
secure with Spanner (No. 89).
Remove the preassembled 4 Cross Pan
Head Screws (No. 31) from the back of
the Meter (No. 30). Connect the Sensor
Wire (No. 28) and 2 Pulse Wires (No.
29) with corresponding wires of Meter
(No. 30). Then attach Meter (No. 30) to
the bracket of Main Frame (No. 1) with 4
Cross Pan Head Screws (No. 31) that
were just removed. Tighten and secure
with Spanner (No. 89).
Note: Make sure all the wires are inserted
into the meter tube of the Main Frame
(No. 1). Do not cut or pinch any wires
when attaching the Meter (No. 30).
The assembly is now complete! You can
connect the Adaptor (No. 55) to the Main
Frame (No. 1).

9
ADJUSTMENT GUIDE
IMPORTANT ELECTRICAL INFORMATION
WARNING: This elliptical trainer requires a power source of 1 amp (100-240V) in order to
properly operate. For your safety, as well as the safety of others, please verify that the power source
is correct before plugging the equipment. Any power source above or below this level could cause
significant damage to the equipment and or user.
HOW TO MOVE THE ELLIPTICAL
There are Wheels (No. 13) located on the
Front Base Frame (No. 2). Hold the handlebar
on the Rear Base Frame (No. 2) and pull
forward to lift the rear of the elliptical off the
floor. Now you can move the elliptical trainer.
ADJUSTING THE BALANCE
In order to achieve a smooth and comfortable
ride, you must ensure that the elliptical trainer
is stable. If you notice that the elliptical is
unbalanced during use, you can adjust the
Adjusting Pads (No. 7) located beneath the
Rear Main Frame (No. 2). To do so, use Allen
Wrench (No. 90) to adjust the Adjusting Pads
(No. 7) by turning them clockwise.

10
OPERATING INSTRUCTIONS
Plug the adaptor into the elliptical trainer and into the outlet.
The meter will turn on.
The meter will turn off if there is no signal input for 4 minutes. Press
any key on the meter to turn it on again.
NOTE: You can use the elliptical trainer when it is not plugged in.
However, the meter will not be working and you cannot adjust the
resistance level or use any of the functions.
EXERCISE METER
KEY FUNCTIONS:
KEY
FUNCTION
START/STOP
Start and pause workouts
Start body fat measurement
DOWN
During workout, decreases the resistance level
Decrease value of selected parameter
UP
During workout, increases the resistance level
Increase value of selected parameter
ENTER
To input the value or mode
RECOVERY
Enter into Recovery function when meter displays the heart rate value.
Recovery displays F1-F6
F1 is poor recovery heart rate
F6 is excellent recovery heart rate
MODE
During workout, switch display from RPM to SPEED, ODO to DIST and
WATT to CALORIES
Hold for 3 seconds to reset all function values to zero
WORKOUT SELECTION:
After turning on the meter by plugging in the adaptor or if already plugged in, pressing any button
on the meter, use the UP or DOWN button to make a selection. Then press the ENTER button to
enter the desired mode.
There are 7 basic workout modes:
Manual, Pre-set Programs, Watt Program, Body Fat Program, Target Heart Rate Program, Heart
Rate Control Program, and User Program.
FUNCTIONS:
SPEED: Displays current training speed. Maximum speed is 99.9 MPH.
RPM: Displays current rotation per minute.

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TIME: Accumulates the workout time from 00:00 to 99:59. Users can preset the target time they
want.
DIST: Accumulates the workout distance from 0.00 to 999.9 miles. Users can preset the target
distance they want to reach.
ODO: Displays the total accumulated distance from 0 to 9999 miles.
CAL: Accumulates the calorie consumption from 0 to 9999. Users can preset the target Calories
they want to consume.
WATT: Displays current watt.
HEART RATE: Displays the current heart rate in beats per minute.
TARGET HR.: Users can preset their Target Heart Rate.
PROGRAM: There are 24 different programs to choose for training.
LEVEL: The program has 10 columns of bars and 8 bars in each column. Each column
represents a 1 minute workout and each bar represents 2 resistance levels.
WORKOUT PARAMETERS:
TIME / DISTANCE / CALORIES / AGE / WATT / TARGET HEART RATE
Setting Workout Parameters
After selecting the desired workout mode: Manual Program, Pre-set Programs, Watt Control
Program, Body Fat Program, Target Heart Rate Program, Heart Rate Control Program, and
User Program. You may pre-set several workout parameters for desired results.
Note: Some parameters are not adjustable in certain programs. Time and Distance
cannot be set up at the same time.
Once a program has been selected, press ENTER and TIME will flash.
Using the UP or DOWN button, you may select the desired time value. Press ENTER to input
the values. The flashing prompt will move to the next parameter, continue using the UP or
DOWN button. Press the START/STOP button to begin the workout.
More About Workout Parameters
Field
Setting Range
Default
Value
Increment/
Decrement
Description
Time
0:00~99:00
00:00
± 1:00
1.When display is set as 0:00, Time
will count up.
2.When time is set as 1:00-99:00, it
will count down to 0.
Distance
0.00~999.0
0.00
± 1.0
1.When display is set as 0.0,
Distance will count up.
2.When Distance is set as
1.0~999.0, it will count down to 0.
Calories
0~9995
0
± 5
1.When display is set as 0, Calories
will count up.
2.When Calories is 5~9995, it will
count down to 0.

12
Watt
50~250
100
± 5
User can set watt value only in the
Watt Control Program.
Age
10~99
30
± 1
Target HR will be based on Age.
When Heart Rate exceeds Target
HR, the Heart Rate number will
flash.
Pulse
60~220
90
± 1
Setting Parameters for Target heart
rate.
PROGRAM OPERATION:
Manual (P1)
Program profile
SETTING PARAMETERS FOR MANUAL PROGRAM
1. Select Manual Program (P1) using the UP or DOWN button, then press ENTER.
2. TIME will flash so the value can be adjusted using the UP or DOWN button.
3. Press the ENTER button to save the value and move to the next parameter to be adjusted.
Note: If you set up the target time to workout, then the next parameter of Distance
cannot be adjusted.
4. Continue through all desired parameters and press the START/STOP button to begin the
workout.
Note: Once the workout parameter counts down to zero, it will beep and stop the
workout automatically. Press the START button to continue the workout to reach the
unfinished workout parameter.
Pre-set programs (P2~P13)
Program profile

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There are 12 pre-set programs ready for use. All program profiles have 16 levels of
resistance.
SETTING PARAMETERS FOR PRE- SET PROGRAMS
1. Select one of the Pre-set Programs using the UP or DOWN button, then press ENTER.
TIME will flash so the value can be adjusted using the UP or DOWN key.
2. Press the ENTER button to save value and move to the next parameter to be adjusted.
Continue through all desired parameters, pressing the START/STOP button to begin the
workout.
Workout in any pre-set program
You can adjust the level of resistance by pressing the UP or DOWN button during the workout.
Note: If you set up the target time to workout, then the next parameter of Distance cannot
be adjusted. Once the workout parameters counts down to zero, it will beep and stop the
workout automatically. Press the START button to continue the unfinished parameter.
Watt Control Program (P14)
Program profile

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SETTING PARAMETERS FOR THE WATT CONTROL PROGRAM
1. Select Watt Control Program (P14) using the UP or DOWN button, then press ENTER.
2. TIME will flash so the value can be adjusted using the UP or DOWN button.
3. Press ENTER button to save the value and move to the next parameter to be adjusted.
Note: If you set up the target time to workout, then the next parameter of Distance
cannot be adjusted.
4. Continue through all desired parameters, pressing the START/STOP button to start the workout.
Note: Once the workout parameters count down to zero, it will beep and stop the
workout automatically.
5. Press the START button to continue the workout to reach the unfinished workout parameter.
The meter will adjust the resistance load automatically depending on the speed to
maintain the constant watt value. You can use the UP or DOWN button to adjust the
watt value during the workout.
BODY FAT Program (P15)
Program profile
SETTING DATA FOR BODY FAT
Select BODY FAT Program (P15) using the UP or DOWN button, then press ENTER. “MALE”
will flash so Gender can be adjusted using the UP or DOWN button. Press the ENTER button to
save gender and move to the next data.
“5’8 (inches)” of Height will flash so Height can be adjusted using the UP or DOWN button. Press
ENTER to save the value and move to the next data.
“154 (lbs)” of Weight will flash so Weight can be adjusted using the UP or DOWN button. Press
ENTER to save the value and move to the next data.
“30” of Age will flash so Age can be adjusted using the UP or DOWN button. Press ENTER to
save the value.
Press the START/STOP button to start the measurement. Please also remember to grasp the
hand pulse grips. After 15 seconds the display will show Body Fat %, BMR, BMI, & BODY TYPE.
Body Types:
There are 9 body types divided according to the FAT % calculated. Type 1 is from 5% to 9%.
Type 2 is from 10% to 14%. Type 3 is from 15% to 19%. Type 4 is from 20% to 24%. Type 5 is
from 25% to 29%. Type 6 is from 30% to 34%. Type 7 is from 35% to 39%. Type 8 is from 40% to
44%. Type 9 is from 45% to 50%.
BMR: Basal Metabolism Ratio
BMI: Body Mass Index
Press START/STOP button to return the main display.

15
TARGET HEART RATE Program (P16)
Program profile
SETTING PARAMETERS FOR TARGET HEART RATE PROGRAM
1. Select TARGET HR (P16) using the UP or DOWN button, then press ENTER.
2. TIME will flash. The value can be adjusted using the UP or DOWN button.
3. Press the ENTER button to save the value and move to the next parameter to be adjusted.
Note: If you set up the target time to work out, then the next parameter of Distance
cannot be adjusted.
4. Continue through all desired parameters, pressing START/STOP button to start workout.
Note: If Pulse is above the set TARGET HR, the Pulse value will flash to remind the
user.
HEART RATE CONTROL Program (P17-P20)
Program profile
There are 4 selections for target pulse (HR):
HRC - 55% TARGET HR= 55% of (220-AGE)
HRC - 65% TARGET HR= 65% of (220-AGE)
HRC - 75% TARGET HR= 75% of (220-AGE)

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HRC - 85% TARGET HR= 85% of (220-AGE)
SETTING PARAMETERS FOR HEART RATE CONTROL
1. Select one of the Heart Rate Control Programs using the UP or DOWN button, then press
ENTER.
2. TIME will flash. The value can be adjusted using the UP or DOWN button.
3. Press the ENTER button to save the value and move to the next parameter to be adjusted.
Note: If t you set up the target time to work out, then the next parameter of Distance
cannot be adjusted.
4. Continue through all desired parameters, pressing the START/STOP button to start the
workout.
Note: If Pulse is above or below (± 5) the TARGET HR, the meter will adjust the
resistance load automatically. It will check every 20 seconds approx. 1 resistance load
will increase or decrease (Note: each resistance load represents 2 levels of load).
If one of the workout parameters counts down to be zero, it will beep and stop the
workout automatically. Press the START/STOP button to continue the workout to reach
unfinished workout parameter.
User Program
Program profile (P21-P24)
The 4 user programs allow the user to set their own program that can be used immediately.
SETTING PARAMETERS FOR USER PROGRAM
1. Select the User Program using the UP or DOWN button then press ENTER.
2. TIME will flash so the value can be adjusted using the UP or DOWN button.
3. Press the ENTER button to save the values and move to the next parameter to be adjusted.
Note: If you set up the target time to work out, then the next parameter of Distance
cannot be adjusted.
4. Continue through all desired parameters.
5. After finishing the setup of the desired parameters, level 1 will flash. Use the UP or DOWN
button to adjust, then press the ENTER button until finished. (There are 10 times total). Press
the START/STOP button to begin the workout.
Note: Once the workout parameter counts down to zero, it will beep and stop the
workout automatically. Press the START/STOP button to continue the workout to reach
the unfinished workout parameter.

17
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CHECK
SOLUTION
E1
The motor doesn’t
work.
Check if the motor wires are
plugged in or check if the
motor is stuck.
Plug in the cable again
or change the motor.
There is something
wrong with the cables.
Check if the cables are
damaged. This can cause a
short circuit.
Change the cables or
plug in again.
The meter cannot
supply normal voltage
to the motor.
Test whether the voltage of
the motor is normal when
pressing “up” and “down”.
Change the meter.
E2
The IC (Integrated
Circuits) inside the
computer is damaged.
Change the meter.
E4
Hands aren’t put on
the two handle pulses
immediately after
pressing START.
Put the hands on the
two handle pulses
immediately after
pressing START.
Body Fat Function
cannot receive the
signal for pulse.
Check if the handle pulse
wires are well connected.
Plug in the handle
pulse wires again or
change the handle
pulse wires.
Check if the pulse is
working when not in Body
Fat program.
Change the meter.
NOTE: If you are unable to resolve an issue using the troubleshooting guide above, please
contact Customer Service at [email protected].
Version 2.2


1

