Hisense AVWT-192FFFH User Manual

122
Troubleshooting
(1.1.8 Abnormalities of Devices)
Cause Check Item
Action
(Turn OFF Main Switch)
Phenomenon
Excessively
High
Discharge
Pressure
Insufficient
Heating
Operation
Check whether or not
short-circuited air exists.
Remove cause of
short-circuited air.
Excessively
High Air
Temp. to
Indoor Unit
Heat
Exchanger
Check expansion valve
opening.
Correctly charge
refrigerant.
Excessively
Charged
Refrigerant
Check for clogging. Remove clogging.
Clogging of
Discharge
Pr. Piping
Check refrigerant
quantity.
Recharge refrigerant
after vacuum pumping.
Non-
Condensate
Gas in Ref.
Cycle
Check for filter clogging. Remove clogging.
Check for any obstacles
at inlet or outlet of
indoor unit.
Remove obstacles.
Check indoor fan speed. Replace fan motor.
Insufficient
Air Flow to
Indoor Unit
Heat
Exchanger
Check temp. difference
between inlet and outlet
of reversing valve.
Check for leakage of
solenoid valve.
Excessively
High Suction
Pressure
Failure of
Bypass
Solenoid
Valve
Replace solenoid valve.
Replace failed
expansion valve of
indoor unit.
Replace reversing valve.
Malfunction
or Internal
Leakage of
Reversing
Valve
Check temp. difference
between inlet and outlet
of reversing valve.
Replace reversing valve.
Malfunction or Internal
Leakage of Reversing Valve
Check temp. difference
between inlet and outlet
of check valve.
Replace check valve.
Malfunction of Check Valve
of Outdoor Unit
Check for expansion
valve of indoor unit
in the same system.
Discharge Temp. of
Indoor Unit is Unstable.

Hisense AVWT-192FFFH Specifications

General

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