ESIE09-08A Troubleshooting by Indication on the Remote Controller
Troubleshooting 157
3.14 “E3 ” Outdoor Unit: Actuation of High Pressure Switch
Remote Control
Display
E3
Subcode 1
Applicable Models ER*Q 011~016*
Method of
Malfunction
Detection
Abnormality is detected when the contact of the high pressure protection switch opens.
Malfunction
Decision Conditions
Error is generated when the HPS activation count reaches the number specific to the operation mode.
(Reference) Operating pressure of high pressure switch
Operating pressure: 4.0MPa
Reset pressure: 3.0MPa
Supposed Causes 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
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