Ricoh SH-P1 M020 Field Service Manual page 254

6. Troubleshooting
543 A
6
544 A
SC545
RTB 25
545 A
252
Fusing overheat error - software1
The detected temperature stays at
235°C for 1 second, and this
consecutively occurs 10 times.
Fusing overheat error - Hard 1
The thermistor detects over 250
Fusing lamp remains on 1
The fusing lamps remained ON at full
capacity for more than 12 seconds
after the fusing temperature attains
reload temperature.
• Defective Triac
• Defective IOB
• Defective engine board
• Replace the Controller board.
• This SC cannot be reset by turning the
power off and on.
• This SP should be reset by a CE.
• SP5810-01 can reset this SC.
• Defective Triac
• Defective IOB
• Defective engine board
• Fusing control error
• Replace the Controller board.
o
C.
• This SC cannot be reset by turning the
power off and on.
• This SP should be reset by a CE.
• SP5810-01 can reset this SC.
• Fusing thermistor defective
• Defective fusing lamp
• Thermostat actuation
• Replace the fusing thermistor.
• Replace the fusing lamp.
• Replace the thermostat.
• This SC cannot be reset by turning the
power off and on.
• This SP should be reset by a CE.
• SP5810-01 can reset this SC.