Ricoh MET-C1 Field Service Manual page 516

5. Troubleshooting
SC No.
SC563-00
SC No.
SC564-00
514
Level Error Name/Error Condition/Major Cause/Solution
A Pressurized Central Thermistor 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 defective
• BCU defective
• Replace the IOB
• Replace the BCU
• Replace the fusing unit
Level Error Name/Error Condition/Major Cause/Solution
A Pressurized Central Thermistor High Temperature Detection (hardware)
Above (T4) degrees C detected
• Triac short-circuit
• IOB controller defective
• BCU controller defective
• Fusing control: out of control
• Replace the IOB
• Replace the BCU
• Replace the fusing unit