55
Check of outdoor unit
E
Compressor and / or outdoor fan motor doesn’t stop.
After 30 seconds,
does compressor stop?
No
Yes
Is there 220-240V AC
between A1-A2 on the
compressor contactor(52C)?
Replace the
deicer P.C. board.
Yes
1
Turn OFF the power supply.
2
After 30 seconds, turn ON the power supply again.
3
Operate the unit in COOL mode by pressing the
EMERGENCY OPERATION switch.
4
Operate the unit for 1 minute or more and stop it by
pressing the EMERGENCY OPERATION switch again.
Ok
No
After 30 seconds, does
outdoor fan motor stop?
Replace the
deicer P.C. board.
Yes
Ok
No
Is there 220-240V AC
between 2/T1 on the
compressor contactor(52C)
and
N
on the outdoor
terminal block?
Yes
Replace the compressor
contactor(52C).
No
Make the connection
of wiring correct.
<MS-30RV only>
OB271--2.qxp 2/7/01 9:04 AM Page 55
