Mitsubishi Alarm Code #350 cause 2



Alarm Code #350
Model CPE52, 53, 14, 15, 15V, 16
Failure Current sensor ( CT1 ) High failure
Countermeasure
<< Cause -(2) >>
CT1 sensor failure
< Check > ( Refer to Page F-22 )
Select “ Display test ” under the test mode to turn OFF all loads, and check the current of CT1 (L1) with
the personal computer or a clamp meter.
In case the current of CT1 is over approx. 1A*, check the following relation of the current and the AC output
voltage between the following check point, and check also the current value displayed on the personal
computer.
< Relation between the AC output voltage and the L1 current ** > * at AC 440V
 < Action >
(1) Out of Range : Replace CT1.
(2) In case the current value displayed on the personal computer only deviates, adjust the offset data
( Refer to Instruction Manual of Hand – held computer )


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