Mitsubishi Electric MSZ-GS06NA - U1 Service Manual page 37

9-3. INSTRUCTION OF TROUBLESHOOTING
NOTE: If blinking of OPERATION INDICATOR lamp cannot be checked, it can be checked with failure mode recall function.
*1 "Test Run operation" means the operation within
Start
Indoor unit operates.
Outdoor unit does
not operate.
Outdoor unit Outdoor unit
operates only does not
in Test Run operate even
operation. *1 in Test Run
operation. *1
Check room
Refer to "How
temperature
to check
thermistor. inverter/
Refer to 9-7.
compressor".
"Test point
diagram and
voltage".
OBH874A
30 minutes after the emergency operation switch
is pressed.
Indoor unit operates. Indoor unit does not
Outdoor unit does receive the signal from
not operate normally. remote controller.
Indoor unit
Unit does not
operates, when
operate nor-
the emergency
mal operation
operation switch
in COOL or
is pressed.
HEAT(MSZ)
mode.
Refer to
Refer to 9-6.
"Check of R.V.
"Check of remote
coil". controller and
receiver P.C.
board".
OPERATION INDICATOR
lamp on the indoor unit is
blinking on and off.
Indoor unit does
not operate, when
the emergency
operation switch
is pressed.
1. Check indoor/outdoor
connecting wire.
(Check if the power is
supplied to the indoor
unit.)
2. Refer to 9-6. "Check
of indoor electronic
control P.C. board and
indoor fan motor".
37
Refer to 9-4.
"TROUBLE-
SHOOTING
CHECK TABLE".