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Chapter 1 Troubleshooting
FIP1.36 PWBA EXIT MOTOR
Step Check Yes No
Possible causes:
PWBA EXIT MOTOR (PL12.1.4)
HARNESS ASSY LVPS (PL12.1.1)
LVPS (PL12.1.5)
HVPS/MCU (PL12.1.19)
1
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J27, P/J10, P/J102 and P/J101 from
HARNESS ASSY LVPS.
Is there continuity between
J27 and J102?
Go to step 2.
Replace HAR-
NESS ASSY LVPS.
2
Checking PWBA EXIT MOTOR power source voltage.
Disconnect P/J101 from PWBA EXIT MOTOR.
Is the voltage across J101-2(+) and J101-1(-), 24 VDC?
Go to step 3.
Replace LVPS.
(RRP12.3)
3
Checking PWBA EXIT MOTOR.
Replace PWBA EXIT MOTOR. (RRP12.2)
Is the problem cleared, after replacement?
End of work
Replace HVPS/
MCU. (RRP12.10)
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