SiUS042113E
Troubleshooting
Part 6 Service Diagnosis
127
Reference
Troubleshooting
In case of
H9
,
J3
,
J6
,
J8
R6000772
H9
: Outdoor temperature thermistor
J3
: Discharge pipe thermistor
J6
: Outdoor heat exchanger thermistor
J8
: Liquid pipe thermistor
Check No.01
Caution
NO
YES
YES
NO
NO
YES
Turn on the power again.
Normal?
Reconnect the connectors
or thermistors.
J3
error: The discharge
pipe temperature is
lower than the heat
exchanger temperature.
Replace the defective
thermistor(s).
Outdoor temperature
thermistor
Discharge pipe thermistor
Outdoor heat exchanger
thermistor
Liquid pipe thermistor
Cooling: Outdoor heat
exchanger
thermistor
Heating: Indoor heat
exchanger
thermistor
Replace the indoor heat
exchanger thermistor.
Replace the outdoor unit
PCB (main PCB).
Indoor heat
exchanger thermistor
functioning?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Error displayed
again on remote
controller?
Check No. 01
Check the thermistor resistance
value.
Check No. 01
Check the indoor heat exchanger
thermistor resistance value in the
heating operation.
Summary of Contents for FTXM-V Series
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