E3" Outside Unit; Actuation Of High Pressure Switch; E3" Outside Unit: Actuation Of High Pressure Switch - Daikin VRV - WII Service Manual

SiUS30-604

2.14 "E3" Outside Unit:

E3
Remote
Controller
Display
Applicable RWEYQ60, 72, 84MTJU
Models
Method of Detect conductive property of the high pressure switch with the protector circuit.
Malfunction
Detection
Malfunction When the protector circuit is partially opened
(For reference) Working pressure for the high pressure switch
Decision
Conditions
Supposed
Causes
Troubleshooting

Actuation of High Pressure Switch

Working pressure: 580psi
Return pressure: 413psi
High pressure switch operation
Faulty high pressure switch
Faulty main PCB
Temporal power failure
Faulty high pressure sensor
Insufficient heat source water
Dirty water heat exchanger
Troubleshooting by Indication on the Remote Controller
173