Motor Fan Error (Error Code C0A2, C0A1, C0A5, C0A6); The Low Voltage Power Supply Fan Does Not Rotate Immediately After The Power Is Turned On; All Fans Of The Printer Do Not Rotate - Toshiba e-STUDIO477S Service Manual

6.5.4. (11) Motor fan error (error code C0A2, C0A1, C0A5, C0A6)

(11-1) The low voltage power supply fan does not rotate immediately after the power is turned on.

Check item
(11-1-1) Cable connection condition and wiring condition
Cable connection Check if the connectors are connected normally
condition and wiring or not.
condition of the Check if extra length of the cables does not
low voltage power touch the fan blade or not.
supply fan and those
of the fuser fan

(11-2) All fans of the printer do not rotate.

Check item
(11-2-1) 24V power supply
PU board fuses Check if the fuse F5 and F9 are not open-circuit
or not.
24V power that is Check the power supply voltages at the POWER
supplied to the PU connector
board. must appear respectively.
POWER connector ⑦
Pin 1,2,3,4:24V
Pin 5,6,7,8:0VP
45387101TH Rev.1
Action to be taken
Check work
Correct the
connection
condition of
the connectors.
Correct the
cable wiring
route. Replace
the fan.
Action to be taken
Check work
Replace the PU
board.
Replace the low
of the PU board. The follow voltage voltage power
supply.
at NG
at NG
6. Troubleshooting and repair procedure
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