Power Supply Unit Fan Error; Main Unit Fan Error; Rear Fan Error - Lexmark X295 Service Manual

172.01 - Power supply unit fan error

Step Questions/actions
1 Is there anything obstructing the fan's movement?
2 Check connector CN22 on the MDCONT board, and
CN04 and CN05 on the LVPS. Are they properly
connected?
3 Replace the power supply fan. Does this remedy the
situation?
4 Replace the LVPS. See
removal" on page
situation.
5 Replace the engine power supply cable. Does this
remedy the situation

173.01 - Main unit fan error

Step Questions/actions
1 Is there anything obstructing the fan's movement?
2 Check connector CN22 on the engine controller board.
Is it properly connected?
3
Replace the main fan. Does this remedy the situation?

174.01 Rear fan error

Step Questions/actions
1 Is there anything obstructing the fan's movement?
2 Check connector CN26 on the engine controller board.
Is it properly connected?
3
Replace the rear fan. Does this remedy the situation?
"Low volt power supply
4-51. Does this remedy the
Yes No
Clear the Go to step 2.
obstruction.
Go to step 3 Reconnect the
connectors.
Problem solved. Go to step 4.
Problem solved. Go to step 5.
Problem solved Replace the
engine controller
board.
Yes No
Clear the Go to step 2.
obstruction.
Go to step 3 Reconnect the
connector.
Problem solved. Replace the
engine controller
board.
Yes No
Clear the Go to step 2.
obstruction.
Go to step 3 Reconnect the
connector.
Problem solved. Replace the
engine controller
board.
Diagnostic information
7541-03x
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