E3 " Outdoor Unit: Actuation Of High Pressure Switch - Daikin RQYQ140-180PY1 Service Manual

SiBE341001
E3
" " Outdoor Unit: Actuation of High Pressure Switch
2.8
E3
Remote
Controller
Display
Applicable RQYQ-PY1
Models RQEQ-PY1
Method of Use the protection device circuit to detect continuity at the high pressure switch.
Malfunction
Detection
Malfunction Abnormality is detected when the contact of the high pressure protection switch opens.
(Reference) Operating pressure of high pressure switch
Decision
Operating pressure: 4.0MPa
Conditions
Reset pressure:
Supposed
Causes
Troubleshooting
3.0MPa
Actuation of outdoor unit high pressure switch
Defect of high pressure switch
Defect of outdoor unit main PCB (A1P)
Instantaneous power failure
Faulty high pressure sensor
Troubleshooting by Remote Controller
112