E3" Outdoor Unit; Actuation Of High Pressure Switch; E3" Outdoor Unit: Actuation Of High Pressure Switch - Daikin RXYSQ4-5-6PA7V1B Service Manual

Troubleshooting by Indication on the Remote Controller
E3
3.19 " " Outdoor Unit:
E3
Remote
Controller
Display
Applicable RXYSQ4~6PA
Models
Method of Abnormality is detected when the contact of the high pressure protection switch opens.
Malfunction
Detection
Malfunction Error is generated when the HPS activation count reaches the number specific to the operation
mode.
Decision
(Reference) Operating pressure of high pressure switch
Conditions
Operating pressure: 4.0MPa
Reset pressure:
Supposed
Causes
164

Actuation of High Pressure Switch

3.0MPa
Actuation of outdoor unit high pressure switch
Defect of High pressure switch
Defect of outdoor unit PC board (A1P)
Instantaneous power failure
Faulty high pressure sensor
SiBE34-802
Troubleshooting