Omron HOME SECURITY SYSTEM - MOTION SENSOR FQM1-MMA21 - Manual (Page 274)

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Error Processing Section 9-2
9-2-6 Power Supply Check
Power Supply Unit's
POWER indicator is not lit.
Is power being supplied
to the Module?
Connect power supply.
No
Yes
Yes No
End
Note
Model Supply voltage Permissible range
CJ1W-PA205R 100 to 240V AC 85 to 264V AC
CJ1W-PA202 100 to 240V AC 85 to 264V AC
No
No
Yes
Yes
No Yes
Is POWER indicator lit?
Is voltage in range?
(See note.)
Keep voltage fluctuations
within the permissible range.
Is POWER indicator lit?
Is POWER indicator lit?
Are terminal
screws loose or
wires broken?
Yes
No
Tighten screws or replace
damaged wires.
Replace the Module.