Rational Combi Master, Training Manual

Page: 56 / 200

56
SCC
Edition 10-2008a
Fan motor SCC 40.00.274
Jumper 40.01.581 is used on oor model 201 and 202 for top position motor only!
Jumper is not used on models 61 - 102 with one motor only!
(Service 34 will be shown when jumper is set wrongly)
LED code fan motor SCC and CM from 04/2004
Reason Remedy
1x Motor doesn’t start, no changing
signal from hallsensor
Check for motor blockage or change motor.
2x Voltage too low on motor pcb Check supply voltage or
change motor.
3x Voltage too high on motor pcb Check supply voltage or
change motor.
4x rpm measurement defective Change motor.
5x Motor pcb temperature >105°C Check cooling system (cooling fan, air
intake lter), otherwise change motor
6x Supply voltage <80V Check power supply
(F1-F2)
7x Motor pcb defective Change motor.
8x Motor pcb defective Change motor.
Fan motor SCC 40.00.276 for units 3AC 400-480V (without neutral)
LED
Jumper