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H3-156
MAINTENANCE 3. TROUBLESHOOTING
006-252-05
06.30.01 FM3040
FM-DP L
Service Manual
H3-156
Power OFF
FP3F0E33.EPS
Power ON
Check the attaching positions of SJ2/SJ3.
If normal, replace SJ2/SJ3.
Check error generation state.
Check error details at [Error Log Data]
of M-Utility.
Insert tray shutter.
Remove cover.
N
Are +5Vcc/+24VD voltages output
normally?
Refer to "3.5 Troubleshooting
Reference".
Y
Are SJ2/SJ3 normal?
Check at [Sensor Monitoring] of
[Check Mechanism] of M-Utility.
N
Recover NFB.
For direct-bonded fuse,
replace the SNS11A board.
Y
Are NFB of power supply unit and
NFB1 of SNS11A board normal?
Refer to "3.5 Troubleshooting
Reference".
N
Replace fuse.
Y
Is fuse of power supply unit normal?
Refer to "3.5 Troubleshooting
Reference".
N
Y
Are cables normal?
Check connector connection, cable
conduction, and connector pins.
Repair or replace.
N
Replace power supply unit.
Y
1
2