Ricoh Pro C7200S Troubleshooting Manual page 127

SC No. Level
SC605-00 D
SC No. Level
SC618- D Buffer Pass Unit: CTB_+24V_Power Supply Error
01
Detected that the +24V power supply is off for the PCB: CTB of the Buffer Pass
Unit.











SC No. Level
SC618- D Buffer Pass Unit : CTB_+24VINT_Power Supply Error
02
Detected that the +24VINT power supply is off for the PCB: CTB of the Buffer
Pass Unit.








Error Name/Error Condition/Major Cause/Solution
IOB FPGA startup error

Startup of Kamui2 (FPGA) is detected when the power was turned ON.

Harness between BCU and IOB disconnected

IOB error
1. Cycle the main power switch off/on.
2. Reconnect the harness between BCU and IOB.
3. Replace the IOB.
Error Name/Error Condition/Major Cause/Solution
Error for PSU of Buffer Pass Unit
Connector disconnected
Harness grounding fault/disconnected
24V load (motor/fan) layer shorted
Error for Controller Board of Buffer Pass Unit
Fuse tripped (PSU, board)
Replace the PSU of Buffer Pass Unit
Reconnect the connectors.
Replace the harnesses.
Replace the motor/fan.
Replace the Controller Board of Buffer Pass Unit
Error Name/Error Condition/Major Cause/Solution
Error for PSU of Buffer Pass Unit
Connector disconnected
Harness grounding fault/disconnected
24V load (motor/fan) layer shorted
Error for Controller Board of Buffer Pass Unit
Fuse tripped (PSU board)
Board relay malfunction
Replace the PSU of Buffer Pass Unit
1.SC Codes
123