E3" Outdoor Unit: Actuation Of High Pressure Switch - Daikin FCQ18PVJU Service Manual

SiUS28-902_a
E3
3.15 " " Outdoor Unit: Actuation of High Pressure Switch
E3
Remote
Controller
Display
Applicable
RZQ18~30PVJU
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
Decision mode.
(Reference) Operating pressure of high pressure switch
Conditions
Operating pressure: 580 psi
Reset pressure:
 Actuation of outdoor unit high pressure switch
Supposed
 Defect of High pressure switch
Causes
 Defect of outdoor unit P.C.B.
 Instantaneous power failure
 Faulty high pressure sensor
Troubleshooting
Troubleshooting by Indication on the Remote Controller
435 psi
102