Ricoh D146 Service Manual page 541

SC No. Level
SC No. Level
SC542-02 A
SC542-03 A
SC No. Level
543-00 A
SM
Error Name/Error Condition/Major Cause/Solution
§
Reset the NC sensor
§
Reset the connector
§
Replace the connector
§
Replace the unit
Error Name/Error Condition/Major Cause/Solution
Fusing central thermopile does not reload
(T21) degrees C not reached after heater 1 ON for (t3) seconds
Fusing central thermopile does not reload
Heating central reload permission temperature not reached after
heater 1 ON for (t311) seconds.
§
Thermopile lens dirt
§
Thermopile modification/float
§
Outside input voltage guarantee
§
After excessive temperature rise prevention unit operation
§
Replace the thermopile
§
Check that the input voltage is within acceptable limits
§
Replace the unit
Error Name/Error Condition/Major Cause/Solution
Fusing central thermopile high temperature detection (software)
Above (T3) degrees C detected for (t4) seconds continuously.
Detection period 100ms, detection count: 10 times or more.
§
Triac short-circuit
§
IOB board defective
§
BCU board defective
§
Replace the IOB board
§
Replace the BCU board
§
Replace the fusing unit
5-67
Service Call 501-584
D146/D147/D148/D149/D150