Konica Minolta PagePro 1390 MF - Manual (Page 123)

T-13
(2) 010: Fuser fan motor error
<Detection Timing>
<Troubleshooting Procedure>
Description
• The LOCK signal remains HIGH or LOW continuously for a predetermined period of
time during which the Cooling Fan Motor remains energized.
Relevant Electrical Parts
Cooling Fan Motor (M2) Mechanical Control Board (PWB-A)
Power Unit (PU1)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electrical Parts)
1 Check the Motor connectors for
connection and correct as neces-
sary.
☞ D-23
– –
2 Check the fan for possible overload
and correct as necessary.
– – –
3 M2 operation check
☞ T-3
PWB-A PJ13A-2
(LOCK)
PWB-A PJ13A-3
(REM)
H-3
4 Replace PWB-A.
☞ D-11
– –