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1 M - 2 4 /
"5F-52 SERVICE" Message
Possible cause Step
C"""WtOr
1
Power supply 2
Laser/scanner 3
unit
DC
co"lroller
PCH
/ M - 25 1 "5F-54 SERVICE" Message
) Possible rause
'
Slep
DC controller
PCB
Check
Is connector 5205 on the DC controller
PCB making good contact?
Does the voltage between connectors
5205-6 (24VA) and J205-4 IGND) on
the DC controller PCB become about
24 VDC?
between connectors J205-7 (JSCNON)
and 5205.4 (GND) on the DC
controller PCB change from about 5
VDC to 0 V?
1
Check
Ar? connector 52 11 on the DC
controller PCB and connector 5131 of
the main motor making good contact?
About one second after switch is turned
1 ON. does the voltage between connectors
5211.2 (/MON) and 5211.3 (GND)
change from about 5 VDC to 0 V?
(
Result ~
-------~co""ect the connector.
I
( Check whether +24 VDC is
present between connectors
TBZO l-3 (24VAl and
TB20 l-6 (GND) on the DC
controller PCB. If it is not,
Replace the laser/scanner
Replace the DC controller
1
1
1
Result
NO
Reconnect the connectors.
Reulace the main motor.
NO
R&lace the DC co"troller
PCB.
Procedure
Procedure
6- 41
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