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VII. Troubleshooting
2.Troubleshooting Flow Chart
indoor unit operates
but outdoor unit
doesn`t operates
outdoor unit
Outdoor unit
is in test
is not in test
running mode.
running mode
check room
see page 34 for
"inspection on
temperature
thermistor
outdoor unit"
start
indoor unit cannot
receive signal from
remote control
see page 33 for
" inspection on
receiver circuit board"
Reasons: indoor unit
flash twice- faults of room temperature
thermistor and pipe temperature
thermistor Flash thrice- faults of
indoor fan motor
check room temperature
thermistor, see page
32 for "check point
and its voltage"
installation & Maintenance Manual
indoor unit operation
pilot lamp flashes
(see the fault problem
self-check table)
see page 32 for
check pipe temperature
"inspection of
thermistor, see page 32
indoor fan motor"
for "check point and its voltage"
30
indoor unit cannot receive
signal from remote controller,
operation pilot lamp doesn`t
flash when pressing
emergency switch
See page 34 for "inspection
on electric control board
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