Service manual

PI'*
3. Compressor does not operate (Indoor and outdoor fan operates)
MSH-OSDW - lUll
MSH-12DN - lUll
MSH-15DN - lUll
[Noticel
Check continuity of connector,
when you check to voltage.
Pn?ss EMERGENCY ON/OFF button
3 rnin. timedelay function operates
Test mode operates for 30 min.
Check voltage to Contactor 52C.
No
Is
there 12V DC between connector
Replace OutdoM P.C. board
CN720 a+) - @-I on outdoor P.C. board ?
\ I
Yes
I
Check voltage compressor terminal.
Is there 1 15V AC for MSH-OQDW, 208/230V
+
for MSH-12/15DN Ween compressor terminal
C-R?
Check Contector 52C
and thermal ovenxlW reiay.
Ifnogoodr@-per*;.