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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