Ricoh SP 330DN Field Service Manual page 186

6.Troubleshooting
No. Type


1.
2.
3.
4.
No. Type
SC530 D Cooling fan error
The FAN lock signal – High for 10 seconds, after the cooling fan motor started to
rotate.
Disconnected or defective fan motor harness
1.
2.
3.
No. Type
SC541 A Fusing thermistor error
The thermistor output is less than 0°C for 5 seconds after the fusing lamp turns ON.
Disconnected or defective fusing thermistor
1.
2.
3.
4.
No. Type
SC542- A Fuser reload error
01
The fusing temperature rises 6°C or less in 1.5 seconds; and this continues 5
times consecutively.


SC542- A Fuser reload error
02
The fusing temperature has not reached 45°C within 9 seconds (after the fusing
lamp comes ON while the machine is warming-up).


SC542- A Fuser reload error
174
Error Name/Error Condition/Major Cause/Solution
Defective main motor
Disconnected or defective motor harness
Turn the power OFF and ON.
Replace the main motor if the torque load is normal.
Clean/replace the AIO and/or fusing unit if the torque load is abnormal.
Replace the motor harness.
Error Name/Error Condition/Major Cause/Solution
Turn the power OFF and ON.
Replace the cooling fan.
Replace the fan motor harness.
Error Name/Error Condition/Major Cause/Solution
Reset the SC.
Replace the fusing unit.
Replace the drawer harness.
Replace the PSU.
Error Name/Error Condition/Major Cause/Solution
Defective or deformed thermistor
Incorrect power supply input at the main power socket
Defective or deformed thermistor
Incorrect power supply input at the main power socket