Mitsubishi Alarm Code #550 cause 2



Alarm Code #550
Model CPE52, 53, 14, 15, 15V, 16
Failure Weak Lithium battery
Countermeasure
<< Cause -(2) >>
Voltage drop or failure of Lithium battery
< Check >
Disconnect the connector CN1 and check the voltage at both ends
( +side : 2 RED, -side : 1 BLACK )
of CN1 ( Battery side ).
( Refer to Page F-4, 5, 6, 7, 8 )
< Action >
In case the measured voltage is less than 3V : Replace the lithium battery.

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