Epson Aculaser C9200N - Page 121

EPSON AcuLaser C9200N Revision D
Troubleshooting Service Call Error 121
Confidential
E553: FUSING COOLING FAN MOTOR /2'S FAILURE TO TURN
E554: OZONE VENTILATION FAN MOTOR'S FAILURE TO TURN
E555: POWER SUPPLY COOLING FAN MOTOR'S FAILURE TO TURN
E556: COOLING FAN MOTOR 2'S FAILURE TO TURN
Relevant Electrical Parts
 Fusing Cooling Fan Motor/2(M11)  Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary.
--- ---
2 Check the fan for possible overload
and correct as necessary.
--- ---
3 M11 operation check PWB-M CNDM1-14 (ON)
PWB-M CNDM1-17 (LOCK)
K to L-1
4 Change PWB-M (p.198)
Relevant Electrical Parts
 Ozone Ventilation Fan Motor (M14)  Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary.
--- ---
2 Check the fan for possible overload
and correct as necessary.
--- ---
3 M14 operation check PWB-M CNDM1-14 (ON)
PWB-M CNDM1-17 (LOCK)
K to L-1
4 Change PWB-M (p.198)
Relevant Electrical Parts
 Power Supply Cooling Fan Motor/1 (M8)  Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary.
--- ---
2 Check the fan for possible overload
and correct as necessary.
--- ---
3 M8 operation check PWB-M CNLV3-2 (ON)
PWB-M CNLV3-3 (LOCK)
C-27
4 Change PWB-M (p.198) --- ---
Relevant Electrical Parts
 Cooling Fan Motor/2 (M22)  Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary.
--- ---
2 Check the fan for possible overload
and correct as necessary.
--- ---
3 M22 operation check --- ---
4 Change PWB-M (p.198) --- ---