Ricoh MP C3004 Field Service Manual page 982

6. Troubleshooting
SC No.
SC702-03
SC No.
SC702
974
Type Error Name/Error Condition/Major Cause/Solution
Check if the SC occurs by turning the main power OFF then ON,
opening/closing covers, and input/output check. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power
after each step.
• The target parts that need to be checked are all motors, all
solenoids, and all clutches.
1. Check if the connector of the target part is connected securely.
Reconnect the connector if it is disconnected, or loose.
2. Check the harness for the target part. Replace the harness if it is
disconnected, or damaged.
3. Check if the specific part runs (OUTPUT Check), has no overloads,
and is properly driven. Replace the part if there are any defects.
4. Check if there are any signs of a short circuit. Replace the parts if
there are any defects.
D Protection Device Intercept Error 3
When original source 5V power supply is ON, protection device
intercept of 5VE power supply system is detected.
Sensor defective or a harness short-circuit occur in 5VE power supply
system.
Check if the SC occurs by turning the main power OFF then ON,
opening/closing covers, and input/output check. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1. Check if the connector for Original Set Sensor is connected
securely. Reconnect the connector if it is disconnected, or loose.
2. Check the harness for Original Set Sensor. Replace the harness if it
is disconnected, or damaged.
3. Check if the Original Set Sensor turns OFF/ON (INPUT Check).
Replace the part if there are any defects.
4. Check if there are any signs of a short circuit. Replace the parts if
there are any defects.
Type Error Name/Error Condition/Major Cause/Solution
ARDF/SPDF Error