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Compressor and outdoor fan do not operate.(Only indoor fan operates.)
Check of outdoor unit
Press EMERGENCY ON/OFF button.
3-minute time delay works.
Test mode operates for 30 minutes.
Check the outdoor fan motor , compressor , relay ,
contactor , and wiring.
Turn on outdoor power supply.
No
No
Check the indoor, outdoor connection.
Check voltage to terminal block of outdoor unit. Is
there 115V AC to terminal block between - ,
- ?
Check voltage to terminal block of outdoor unit. Is
there DC12V to terminal block between
22
-
11
?
Yes
Yes
Start
Check voltage to terminal block of indoor unit. Is
there DC12V to terminal block between
22
-
11
?
No
Yes
Check the indooor electronic control
P.C.board and wiring.
L1
N
L2
N
OB202-1.qxp 26/9/97 11:08 AM Page 13