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What to do before calling for service
Reasons the machine might shut itself off:
• Lack of water.
• Freeze cycle takes too long.
• Harvest cycle takes too long.
• High discharge temperature.
• Controller self test failure.
Check the following:
1. Has the water supply to the ice machine or
building been shut off? If yes, the ice machine will
automatically restart within 25 minutes after water
begins to flow to it.
2. Has power been shut off to the ice machine? If
yes, the ice machine will automatically restart when
power is restored.
3. Has someone shut the water off to a water
cooled unit? If yes, after the water supply has been
restored the ice machine may need to be manually
reset.
4. Is the curtain open because some ice is stuck
under it? If so, remove the ice and the machine
should start in a few minutes.
Note: Curtain can be removed & replaced anytime
the machine is in a standby mode or when it is in a
freeze cycle. However, removal of the curtain
during freeze will result in water flowing into the
bin. Removal of the curtain during harvest
terminates harvest at that point and, if left off, will
result in the machine shutting off.
To Manually Reset the machine.
• Push and release the On/Off button.
• Push and release the On/Off button.
To Shut the Machine Off:
At the controller, push and hold the Off button for
3 seconds or until the machine stops.
CU1526, CU2026, CU3030
User Manual
March 2017
Page 16
Manual
Harvest
Clean
Code
Display
Component Operation Indicator Lights
Code Description
F . . . . . . . . . . Freeze Cycle
F flashes . . . . Freeze Cycle is Pending
H . . . . . . . . . . Harvest Cycle
H flashes . . . . Manual Harvest
b .... ......Bin is Full
C .... ......Clean Cycle
L . . . . . . . . . . Board Locked
d .... ......Test Mode
O .... ......Off
E . . . . . . . . . . Self Test Failed
1 flashes. . . . Max Freeze - Retrying
1 . . . . . . . . . . . Max Freeze Time Shut Down
2 flashes . . . . Max Harvest - Retrying
2 . . . . . . . . . . Max Harvest Time Shut Down
3 . . . . . . . . . . Slow Water Fill
4 . . . . . . . . . . High Discharge Temp
5 . . . . . . . . . . Sump Temp Sensor Failure
7 . . . . . . . . . . Discharge Temp Sensor Failure
8 flashes . . . Short Freeze - Retrying
8............Short Freeze - Thin ice
All 4 Upper Lights Flashing - Unit Remotely
Locked Out - Contact Leasing Company
Control Operation - See Manual
Water Light On - Restore water supply to
machine.
De-Scale Light On - Clean and sanitize
machine.
Flush Setting - To Change: Depress Off
for 3 seconds. Press On to select purge
(1-5) setting or A for Automatic.
Test Mode - Depress Off for 3 seconds,
then depress Clean for 3 seconds.
Recall Diagnostic Codes - Depress Off
for 3 seconds. Press Harvest repeatedly
to go from most recent to oldest of 10.
Reset from Code 1, 2, 4 or 8 - Depress
Off then Depress On.
Technician Section
02-4302-01
On Off
Power
Status
De-scaleWater
Sanitize
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