Haier HYC-509 - Page 35

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Battery
disconnection
alarm
E20
Battery switch is not turned on
or wire fault
Alarm light ickers / /
Reverse
connection
alarm of battery
anode and
cathode
E21
Anode and cathode of
the battery are connected
reversely
Alarm light ickers
Long buzzer
sound alarm
/
Low battery
alarm
E22 Low battery Alarm light ickers / /
Control sensor
fault alarm
E10 Control sensor fault
The alarm light ickers and
the digital tube alternately
displays the temperature
and fault code.
Makes
intermittent
alarm sound
Start up
Door ajar alarm E40
The door opening signal is
detected for 5 minutes
Alarm light and door
opening indicator light
ickers
Makes
intermittent
alarm sound
Start up
Upper sensor
fault alarm
E14 Upper sensor fault
The alarm light ickers and
the digital tube alternately
displays the temperature
and fault code.
Makes
intermittent
alarm sound
Start up
Lower sensor
fault alarm
E15 Lower sensor fault
The alarm light ickers and
the digital tube alternately
displays the temperature
and fault code.
Makes
intermittent
alarm sound
Start up
Ambient
temperature
and humidity
sensor fault
alarm
E12
Ambient temperature and
humidity sensor fault
The alarm light ickers and
the digital tube alternately
displays the temperature
and fault code.
Makes
intermittent
alarm sound
Start up
Condenser
sensor fault
alarm
E13 Condenser sensor fault Alarm light ickers / /
Defrosting
sensor fault
alarm
E11 Defrosting sensor fault Alarm light ickers / /
Hot condenser
fault alarm
E50
The condenser is blocked by
foreign matters or the ambient
temperature is too high,
leading to that the condenser
temperature is higher than the
set value.
Alarm light and dirty
condenser indicator light
ickers
Makes
intermittent
alarm sound
/
High ambient
temperature
fault
E02
The temperature of the
ambient temperature sensor
is higher than the set value
Alarm light ickers
Makes
intermittent
alarm sound
/
High defrosting
sensor
temperature
alarm
E05
After 60 minutes of startup, the
defrosting sensor temperature
is > 20 ° C for 1 minute. The
internal fan stops running.
Alarm light ickers / /