E3" Outdoor Unit: Actuation Of High Pressure Switch - Daikin CMSQ200A7W1B Service Manual

SiBE28-805
E3
3.14 " " Outdoor Unit: Actuation of High Pressure Switch
E3
Remote
Controller
Display
Applicable CMSQ200A7, 250A7
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
2.85MPa
Actuation of outdoor unit high pressure switch
Defect of High pressure switch
Defect of outdoor unit PC board
Instantaneous power failure
Faulty high pressure sensor
Troubleshooting by Indication on the Remote Controller
153