Ricoh M160 - Page 259

Service Call
SM 6-15 M160/M161
Troubleshooting
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC542-02 A
Fusing lamp (Center) thermistor not reloaded 2
The heater (Center) thermistor does not reach the reload
temperature 50 seconds after the start of motor rotation.
 Fusing lamp disconnected
 The overtemperature prevention mechanism started
working
 Clear the SP: fusing SC.
 Replace the thermistor.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC543-00 A
Fusing (Center) thermopile high-temperature detected
(software)
The temperature is detected to stay at 245 deg C or higher for
one second.
 Shorted triac
 Failed Engine Board
 Clear the SP: fusing SC.
 Replace the PSU.
 Replace the Engine Board.