Kyocera TASKalfa 6551ci

13. Developer fan motor K/M/C/Y does not operate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor contact in the connector.	Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer fan motor K/M/C/Y and retainer PWB (YC2) Retainer PWB (YC1) and front PWB (YC6) Front PWB (YC3) and engine PWB (YC7)
2. Defective motor.	Replace the developer fan motor K/M/C/Y.
3. Defective PWB.	Replace the front PWB or engine PWB and check for correct operation

14. Exhaust fan motor 1, 2, 3 does not operate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor contact in the connector.	Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Exhaust fan motor 1, 2, 3 and engine PWB (YC19)
2. Defective motor.	Replace the exhaust fan motor 1, 2 or 3.
3. Defective PWB.	Replace the engine PWB and check for correct operation

15. LSU fan motor K/ M/C/Y does not operate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor contact in the connector.	Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. LSU fan motor K/M/C/Y and front PWB (YC18) Front PWB (YC2) and engine PWB (YC10)
2. Defective motor.	Replace the LSU fan motor K/M/C/Y.
3. Defective PWB.	Replace the front PWB or engine PWB and check for correct operation

16. Belt fan motor 1, 2 does not operate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor contact in the connector.	Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Belt fan motor 1, 2 and engine PWB (YC19)
2. Defective motor.	Replace the belt fan motor 1 or 2.
3. Defective PWB.	Replace the engine PWB and check for correct operation