High Pressure Abnormality - Daikin SkyAir RZQ-P Series Service Manual

Troubleshooting by Indication on the Remote Controller

3.15 High Pressure Abnormality

E3
Remote
Controller
Display
Applicable RZR, RZQ
Models
Method of Error
Abnormality is detected when the contact of the high pressure protection switch opens.
Detection
Error Decision
Error is generated when the S1PH (High pressure switch) activation count reaches the number
Conditions specific to the operation mode.
(Reference) Operating pressure of high pressure switch
Operating pressure: 580 psi
Reset pressure:
 Actuation of outdoor unit high pressure switch
Supposed
 Defective high pressure switch
Causes
 Defective outdoor unit PCB
 Instantaneous power failure
 Defective high pressure sensor
106
435 psi
SiUS28-902_B
Service Diagnosis