Mitsubishi Electronics Q172CPU9(N) Home Security System User Manual


 
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6 INSPECTION AND MAINTENANCE
(d) Flowchart for when "ERR." LED is turned on/flickered.
The following shows the flowchart to be followed when the "ERR." LED is
turned on/flickered at the power supply ON or operation start or during
operation.
"ERR." LED is turned on/flickered.
H/W error
Is the"ERR." LED
turned off?
Set the RUN/STOP switch to RUN.
Completion
NO
YES
Confirm error contents for self CPU by
PC diagnostics of the GX Developer.
H/W error
Refer to the help of the GX Developer
and correct error contents.
Reset by the RESET/L.CLR switch.
Confirm error contents by GSV P
error history.
Refer to the help of the GSV P
and correct error contents.
Explain the error symptom and get
advice from our sales representative.