Ricoh Pro 8300S - PCDU Temperature;Humidity Sensor Error (PCU); Sc497-00

1.SC Codes
84
disconnected)
8. Replace the waste toner lock sensor (SEN91).
9. Replace the harness between the waste toner lock sensor (SEN91) and the IOB.
10. Replace the IOB.
SC497-00
Error Name
PCDU Temperature/Humidity Sensor Error (PCU)
Pattern
C
Error Condition
This SC occurs under one of the following conditions:
 Temperature: Detected to be 62.4°C or higher, or -11.4°C or lower.
 Humidity: Detected to be 100% or higher.
Major Cause
 PCDU temperature/humidity sensor (SEN83) is not properly connected.
 PCDU temperature/humidity sensor (SEN83) is defective.
 PCDU temperature/humidity sensor (SEN83) harness is damaged.
Solution
1. Reconnect the PCDU temperature/humidity sensor (SEN83), and check if the SC recurs.
2. Replace the PCDU temperature/humidity sensor (SEN83).
3. Replace the PCDU temperature/humidity sensor (SEN83) harness.
SC498-00
Error Name
PCDU Temperature/Humidity Sensor Error (Main Unit)
Pattern
C
Error Condition
This SC occurs under one of the following conditions:
 Temperature: Detected to be 62.4°C or higher, or -11.4°C or lower.
 Humidity: Detected to be 100% or higher.