E3 " Outdoor Unit: Actuation Of High Pressure Switch - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
E3
3.14 " " Outdoor Unit:
E3
Remote
Controller
Display
Applicable REYQ8P~48P
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
Troubleshooting
Actuation of High Pressure Switch
2.85MPa
Actuation of outdoor unit high pressure switch
Defect of High pressure switch
Defect of outdoor unit main PC board (A1P)
Instantaneous power failure
Faulty high pressure sensor
Troubleshooting by Indication on the Remote Controller
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