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Chapter 1 Troubleshooting
Step
Check Yes No
10
Checking Exit Sensor for operation (1)
Remove EP CARTRIDGE.
Does the number of Sensor/Switch Check increase by
one, every time Actuator Exit is pushed and released?
Checks by Chapter 2 Diagnostic [Sensor/Switch Check].
Replace
HVPS/MCU.
(RRP12.10)
Go to step 11.
11
Checking Exit Sensor for operation (2)
Remove EP CARTRIDGE.
Is the voltage across P/J46-5 <=> P/J46-4 on LVPS, 0VDC
when Actuator Exit is pushed, and 3.3VDC when
released?
Go to step 14. Go to step 12.
12
Checking the power to Exit Sensor
Is the voltage across P/J46-3 <=> P/J46-4, 3.3VDC?
Replace LVPS.
(RRP12.3)
Go to step 13.
13
Checking LVPS for continuity
Is P/J41-1 <=> P/J46-3 continuous normally?
Go to FIP2.1
LVPS.
Replace LVPS.
(RRP12.3)
14
Checking HARNESS ASSY LVPS for continuity
Disconnect P/J11 on HVPS/MCU.
Disconnect P/J41 on LVPS.
Is J11-10 <=> J41-7 continuous normally?
Replace LVPS.
(RRP12.3)
Replace
HARNESS ASSY
LVPS.
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