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Nilfisk SC800 Heavy-Duty Cleaning

User Manual - Page 23

For SC800. Also, The document are for others Nilfisk models: 56112000(SC750-26D), 56112004(SC750-28D), 56112006(SC750-28C), 56112012(SC750 ST-26D), 56112013(SC750 ST-28C), 56112016(SC800-28D), 56112018(SC800- 28C), 56112024(SC800-32C), 56112028(SC800-34D), 56112032(SC800 ST-34D), 56112780 (SC70- 28R)

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Service Manual: SC750, SC800, SC 750 ST, SC800 ST
Form Number 56043150 Page 23
LCD
Display
Code
ST
Blink
Code
Code
Denion
Explanaon / Code Seng Condions / Flash Indicator
/ Disables / Check
5 1,3 Brush Motor Circuit
Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 60 amps or more.
Check for shorted motor, mechanical binding of motor
sha, current sense wire connecons, ground connec-
ons.
7 1,4 Vacuum Motor Circuit
Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 25 amps or more.
Check for shorted motor, current sense wire connecons,
ground connecons.
8 1,5 Soluon Solenoid Circuit
Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 0.7 amps or more.
Check for shorted solenoid winding, shorted wiring.
9 2,1 Vacuum Contactor Coil
Circuit Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 0.1 amps or more.
Check for shorted contactor winding, shorted wiring.
10 2,2 Brush Contactor Coil
Circuit Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 0.7 amps or more.
Check for shorted contactor winding, shorted wiring.
11 (N/A) Detergent Pump Circuit
Over Current
Excessive current draw was sensed.
Check for shorted pump winding, shorted wiring.
12 (N/A) Brush Remove Contactor
Coil Over Current
Excessive current draw was sensed. Code sets at approxi-
mately 0.1 amps or more.
Check for shorted contactor winding, shorted wiring
30 2,3 Soluon Solenoid Circuit
Open
The Main Machine Controller has turned the soluon
solenoid circuit on but it is not sensing any current ow.
(Senses <= 20mAmps for 5 seconds).
Check for open solenoid winding, open wiring.
31 2,4 Brush Motor Circuit
Open
The Main Machine Controller has energized the Brush
Contactor but it is not sensing any current ow through
the brush motor ground circuit for at least 5 seconds.
(Senses <= 4 Amps for 5 seconds and code 35 is not ac-
ve)
Check Motor, Contactor contacts, Wiring.
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