Hisense AVWT-192FFFH User Manual

129
Troubleshooting
Cause Check Item
Action
(Turn OFF Main Switch)
Phenomenon
Activation of
High Pressure
Switch due to
Excessively
High Discharge
Pressure
Check for clogging. Replace solenoid valve.
Faulty Solenoid Valve
Check for clogging. Remove clogging.
Check connecting
wiring and connectors.
Replace connector.
Check operating sound
from coil.
Replace coil.
Check discharge gas
thermistor.
Check attaching
state of discharge
gas thermistor.
Replace thermistor.
Reattach thermistor.
Faulty or Malfunction of
Expansion Valve
Check cycle operating
temp. and expansion
valve opening.
Charge refrigerant
correctly.
Overcharged Refrigerant
Check ambient temp.
and pressure.
Recharge refrigerant
after vacuum pumping.
Mixture of Non-Condensable
Gas in Refrigerant Cycle
Check for clogging. Remove clogging.Clogging of Discharge Piping
Check stop valves. Fully open stop valve.
Liquid Line Stop Valve or
Gas Line Stop Valve are
not in Operation
Check for clogging. Replace check valve.
Clogging of Check Valve

Hisense AVWT-192FFFH Specifications

General

Brand	Hisense
Model	AVWT-192FFFH
Category	Air Conditioner
Language	English