Troubleshooting by Indication on the Remote Controller
99
3.23
E3
Abnormal Discharge
Pressure
Remote Controller Display
E3
Applicable Models
VRV-WII, -WIII, III, III-S and III-Q Series
Method of Error Detection
Abnormality is detected when the contact of the high
pressure protection switch opens.
Error Decision Conditions
Error is generated when the high pressure switch
activation count reaches the number specific to the
operation mode.
Supposed Causes
Actuation of high pressure switch
Defective high pressure switch
Defective outdoor unit main PCB
Instantaneous power failure
Defective high pressure sensor
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