10) Motor Fan Error(Error 127); Motor Fan Error(Error 127); Fan Cannot Rotate - Oki C3400n Maintenance Manual

7.5.2.(10)

Motor Fan Error(Error 127)

(10-1) Fan cannot rotate.

Confirmation Items
(10-1-1) Cable connection, wire layout
Cable connection, wire layout
of low-voltage power supply
and fuser fan and CU fan
(10-3-1) 24V power supply
Fuse F3 of PU board (BLA
PCB)
24V power supply supplied to
PU board (BLA PCB)
Note!
Precaution for using FUSE KEEP MODE of the maintenance utility for troubleshooting
·"Please click on the [Execute] button to enter FUSE KEEP mode" is displayed whenever
you try to set FUSE KEEP MODE to ON from the maintenance utility regardless of the
current setting.
·If you want to set it to OFF reliably, please turn down the power of the device once.
43163501TH Rev. 1
Confirmation Tasks
Check whether the connector is connected normally. Check
whether the redundant part of cable may touch the fan blade.
Check whether F3 are opened.
Check the power supply of POW connector of PU board (BLA
PCB).
3,4pin: 24V
7,8,9pin: 0VL
1,2pin: 0VP
Oki Data CONFIDENTIAL
Action at NG
Reconnect the
connector. Correct the
wiring route. Replace
the FAN with a new
one.
Replace the PU board
(BLA PCB) with a new
one.
Replace the low-
voltage power supply.
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