Haier cassette air conditioner error codes

Haier Group is the world’s largest manufacturer of white goods, making 10,2% retail volume (according to the data for 2014 revealed by Euro monitor). This Chinese company is based in Shandong province. It develops and makes a wide range of appliances and electronics, including computers, washers, mobile phones, and air conditioning systems.

An air conditioner breakdown is almost always unexpected – and almost always occurs in the wrong time. However it does not mean that you have to be stuck up in a hot house without even hope on a cool breeze. The listing of Haier Cassette air conditioner error codes you will find below will help you understand the reason of the issue.

For
remote
type,
flash
times
Failure
code on
wired
control
ler
For
central
contro
failure
code
Failure descriptionReason
100821Drainage system failureFloat switch broken down for more than
25m continuously
10101Indoor ambient temp. sensor
failure
Sensor broken down or short circuit for
more than 2m continuously
20202Indoor coil temp. sensor failureSensor broken down or short circuit for
more than 2m continuously
34A11Outdoor ambient temp. sensor
failure
Sensor broken down or short circuit for
more than 2m continuously
44912Outdoor coil temp. sensor A
failure(compressor discharging
temp. sensor)
Sensor broken down or short circuit for
more than 2m continuously
54810Over-current protectionCT check abnormal 3 times in 30m
65314High pressure abnormalHigh pressure switch acts 3 times in 30m
74722Power failure in overvoltage or
lackvoltage, phase error (fixed
frequency multi split)
80706Communication between wired
controller and indoor abnormal
Communication abnormal for more than
4m continuously
90605Communication between indoor
and outdoor abnormal
Communication abnormal for more than
4m continuously
110B30Outside alarm signal inputOutside signal broken down for more than
10s
144C15Fault in discharging temp.
sensor A
Sensor broken down or short circuit for
more than 2m continuously
150517EEPROM abnormalEEPROM data missing
165426Outdoor pressure switch or
discharging protector abnormal
Pressure switch or discharging protector
disconnected; or CN11 on indoor PCB
disconnected. The failure occurs only when
there is no outdoor PCB.
175015Compressor overheatDetected temperature of discharge line is
higher than 120*
180C23Fault in operation mode (fixed
frequency multi split)
Indoor units operate in different modes
194B18Outdoor coil temp. sensor B
failure
Sensor broken down or short circuit for
more than 2m continuously
204D15Fault in discharging temp.
sensor B
Detected temperature of discharge line is
higher than 120*
2132D07Module failureModule overheat, overcurrent, short-circuit
2254D08Fault in zero-loadCurrent sensor failure or compressor is not
started