Mitsubishi Alarm Code #337, 338 cause 2

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 –(2) >>

Defective TDIS or TDISL

< Check > ( Refer to Page F-10, 28 )

Remove the TDIS ( or TDISL ) from the terminal block TB11

and check the resistance between VRF and 59 ( TDIS or TDISL ).

< Action >

• Approx. 600 kohm or over : Replace TDIS or TDISL ( Disconnection ).

• Approx. 600 ohm or below : Replace TDIS or TDISL ( Short circuit ).

Dhilreefer