Mitsubishi Alarm Code #997 cause 2



Alarm Code #997
Model CPE52, 53, 14, 15, 15V, 16
Failure Battery alarm
Countermeasure
<< Cause -(2) >>
Defective Rechargeable battery
< Check >
Check the voltage between the following check pins on PCB-C board.
( Refer to Page F-1, 2, 3 )
( +side ) ( -side ) ( Allowable range )
VE – 0V ( TP2 – TP0 ) : DC6.3 – 9V
< Action >
In case the measured voltage is below 6V : Replace the rechargeable battery, or turn on the unit power supply switch to charge the defective battery.

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