Daikin FTXM-V Series Service Manual page 122

Troubleshooting
Troubleshooting
Reference
Check No.01 Refer to P.134
Reference
Check No.12 Refer to P.136
Reference
Check No.17 Refer to P.141
Reference
Check No.18 Refer to P.142
Reference
Check No.19 Refer to P.142
118
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check the installation space.
Check No. 17
Check the installation
condition.
OK
Check No. 19
Check the outdoor fan.
OK
Check No. 18
Check the discharge
pressure.
OK
Check No. 12
Check the electronic
expansion valve.
OK
Check No. 01
Check the outdoor heat
exchanger thermistor.
OK
NG
NG
NG
NG
NG
SiUS042113E
Change the installation
location or direction.
Clean the outdoor heat
exchanger.
Replace the outdoor fan
motor.
Reconnect the connector or
fan motor lead wires.
Replace the stop valve.
Replace the electronic
expansion valve or the coil.
Replace the outdoor unit
PCB (main PCB).
Replace the outdoor heat
exchanger thermistor.
Replace the outdoor unit
PCB (main PCB).
(R20418)
Part 6 Service Diagnosis