Haier HSU-07HEA03/R2 User Manual

7.1Codes and Description HSU-18HEA03/R2
7.1.1Problem Symptoms and Measures
Symptom Check Item Details of Measure
Reference
page
Check the power supply.
Check to make sure that the rated voltage is
supplied.
----
None of the
units operates
Check the indoor PCB
Check to make sure that the indoor PCB is
broken
----
----
Equipment
operates but
does not cool,
or does not
heat (only for
heat pump)
Diagnosis by service
port pressure and
operating current.
Check for insufficient gas.
----
Large
operating
noise and
vibrations
Check the installation
condition.
Check to make sure that the required spaces
for installation (specified in the Technical Guide,
etc.) are provided.
----
7.1.2 Error Codes and Description indoor display
Code indication
indoor
Description
Reference
Page
E1 Room temperature sensor failure ----
E2 Heat-exchange sensor failure ----
E4 Indoor EEPROM error ----
Indoor Malfunction
E14 Indoor fan motor malfunction ----
The code indication that is listed above is the main fault
Troubleshooting
Caution 
Be sure to turn off power switch before connect or disconnect connector, or else parts damage may be
occurred.
E1: Room temperature sensor failure CN6
E2: Heat-exchange sensor failure CN6
HSU-18,22HEA03/R2 Service Diagnosis
63
Domestic Air Conditioner
7.Codes and Description

Haier HSU-07HEA03/R2 Specifications

General

Brand	Haier
Model	HSU-07HEA03/R2
Category	Air Conditioner
Language	English