Repair Procedures - Daikin Sky Air FAA71BUV1B Service Manual

4 | Components

4.9.2 Repair procedures

To remove the thermistor
Service manual
80
Does the measured resistance of the
thermistor match with the
temperature determined resistance?
Yes
No
Indoor unit air (room) thermistor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Cut the tie strap that fixes the thermistor to the switch box and remove the
thermistor from the switch box.
b a
a Tie strap
b Air thermistor
2 Cut all tie straps that fix the thermistor harness and route the harness out of
the retainers.
3 Disconnect the thermistor connector from the appropriate PCB and remove
the thermistor.
Other refrigerant side thermistors
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Locate the thermistor that needs to be removed.
2 If applicable, remove the insulation or putty from the thermistor. Keep the
putty for reuse.
3 Pull the clip that fixes the thermistor.
Action
Thermistor is OK. Return to the
troubleshooting of the specific error
and continue with the next procedure.
Replace the specific thermistor, see
"4.9.2 Repair procedures" [
"4.6 Plate work" [
"4.6 Plate work" [
4
80].
4
60].
4
60].
FAA71+100BUV1B
Sky Air indoor units
ESIE22-01 – 2022.02