Ricoh D146 Service Manual page 551

SC No. Level
SC561-00 A
SC No. Level
SC562-02 A
SM
Error Name/Error Condition/Major Cause/Solution
Pressurized Central Thermistor Disconnection
Below 0 degree C (or below 3F9) detected for (t12) seconds
continuously.
Detection period 100ms, detection count: 10 times or more.
§
Thermistor disconnection
§
Connector disconnected
§
Replace the thermistor
§
Reset the connector
§
Replace the connector
§
Replace the fusing unit
Error Name/Error Condition/Major Cause/Solution
Pressurized Central Thermistor Does Not Reload
Does not reach (T21) degree C after heater 1ON for (t3)
seconds.
§
Thermistor dirt
§
Thermistor deformation, float
§
Outside input voltage guarantee
§
After excess temperature rise prevention unit operation
§
Replace the thermistor
§
Make sure that the input voltage is within acceptable limits
§
Replace the fusing unit
5-77
Service Call 501-584
D146/D147/D148/D149/D150