" Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure
RXYMQ36 · 48PVJU
[In cooling mode]
Low pressure becomes 14.5psi or below.
[In heating mode]
The degree of superheat of suction gas becomes 36 degrees and over.
SH= Ts1 –Te
Ts1: Suction pipe temperature detected by thermistor
Te : Saturated temperature corresponding to low pressure
Malfunction is not determined. The unit continues operation.
Gas shortage or refrigerant clogging (piping error)
Defective thermistor (R4T, R7T)
Defective low pressure sensor
Defective outdoor unit PCB (A1P)
Troubleshooting by Indication on the Remote Controller