H3" Abnormal High Pressure Switch - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

Diagnosis by Remote Controller

4.22 "H3" Abnormal High Pressure Switch

H3
Remote
Controller
Display
Applicable RZQ
Models
Method of Detect the continuity of the high pressure switch via protection device circuit.
Malfunction
Detection
Malfunction No continuity is detected at the high pressure switch during operation stop of the compressor.
Decision
Conditions
Supposed
Causes
132
Defective high pressure switch
Disconnection of the wire harness of the high pressure switch
Defective connection of the connector of the high pressure switch
Defective PC board for the outdoor unit control circuit
Disconnection of the lead wire
SiBE26-701
Troubleshooting