Daikin REYQ8-48PY1B - 3.34 “J8” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 2 (R7 T or R15 T)

Troubleshooting by Indication on the Remote Controller SiBE37-701_B
301 Troubleshooting
3.25
“
F9
”
Outdoor Unit : Malfunction of BS Unit Electronic
Expansion Valve
Remote
Controller
Display
F9
Applicable
Models
BS unit
Method of
Malfunction
Detection
This malfunction is detected by whether or not all coils of the electronic expansion valve have
continuity.
Malfunction
Decision
Conditions
When the power supply turns ON, there is no currents pass through the common (COM[+]).
Supposed
Causes

Connector disconnected from the electronic expansion valve

Faulty coil of the electronic expansion valve coil

Faulty PCB of the BS unit