Alarm Code #337, 338
Model CPE52, 53, 14, 15, 15V, 16
Failure Disconnection (#337) or Short circuit
(#338) of Compressor discharge gas sensor
( TDIS or TDISL )
Countermeasure
<< Cause –(3) >>
Defective PCB-C board
< Check > ( Refer to Page F-1,
2, 3 )
Check the voltage between the following
check pins on PCB-C board.
<
Action >
Out
of Range: Replace PCB-C board ( or Q1, Q2* ).
*
Only MMCC3A Version 1 controller
Replace
Q1 in case DC 24V circuit is defective.
Replace Q2 in case DC 8.5 V circuit is defective.
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