Ricoh M281 Series Service Manual page 481

SC No. Type
SC No. Type
SC582-00 C
SM
Error Name/Error Condition/Major Cause/Solution

Temperature sensor defective
1. Reconnect the following connector.

Temperature Sensor – IOB connector
2. If the connector is broken, shorted, or grounded,
replace the connector.
3. Replace the temperature sensor.

IOB defective
1. Update the engine software to the latest version.
2. Replace the IOB.
Error Name/Error Condition/Major Cause/Solution
Temperature Sensor Shorted Error
The average of the output from the temperature sensor is 31 or
less for 5 seconds.

Temperature sensor defective

IOB defective

Temperature sensor defective
1. Reconnect the following connector.

Temperature Sensor – IOB connector
2. If the connector is broken, shorted, or grounded,
replace the connector.
3. Replace the temperature sensor.

IOB defective
1. Update the engine software to the latest version.
2. Replace the IOB.
6-43
Service Call 501-582
D255/D256/M281/M282