F9" Outdoor Unit : Malfunction Of Bs Unit; Electronic Expansion Valve; F9" Outdoor Unit : Malfunction Of Bs Unit Electronic Expansion Valve - Daikin VRV III REYQ8PY1B Service Manual

Troubleshooting by Indication on the Remote Controller
F9
3.22 " " Outdoor Unit : Malfunction of BS Unit Electronic
Expansion Valve
F9
Remote
Controller
Display
Applicable BS unit
Models
Method of This malfunction is detected by whether or not all coils of the electronic expansion valve have
continuity.
Malfunction
Detection
Malfunction When the power supply turns ON, there is no currents pass through the common (COM[+]).
Decision
Conditions
Supposed
Causes
288
Connector disconnected from the electronic expansion valve
Faulty coil of the electronic expansion valve
Faulty PC board of the BS unit
SiBE37-701
Troubleshooting