3-1
PFM-42X1/42X1N
Section 3
Troubleshooting Guide
3-1. Out of Order on Power
Check Ctrl signal
CN9 Pin#2
‘RLY’
NO POWER
Replace
the Power Board
Replace
the Power Board
Check 5V-ST
CN (Pin#3)
Check
Connector or
5V-ST Output
On Power Board
Check
IC8 Pin #6
Fail
Fail
Fail
Check Ctrl signal
CN9 Pin#1
‘ACD ’
Check
IC2 Pin #3
Fail
Fail
Fail
Replace
the Power Board
Fail
Replace
the Power Board
Fail
Check
IC8 Pin #9
Check the Power
Cable connection
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Check Ctrl signal
CN9 (Pin#5)
‘VS07’
Summary of Contents for BKM-V12
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