4. Display
4.1 Basic Display
(1) When the unit is energized, the display symbol display, then only power lamp is light.
(2) When use remote control to turn on the unit, the running LED is light, and the current setting running mode lamp
displayed at the same time.
COOLING: running lamp and cooling lamp are light; HEATING: running lamp and heating lamp are light;
DRY: running lamp and dry lamp are light; FAN: running lamp and fan lamp are light;
AUTO: auto lamp, running lamp and actual running mode lamp are light.
(3) If turn off the LIGHT button, all the display is off (it is valid when the unit is OFF).
(4) After set SLEEP function, the display maintains the original display status, it means the light switch does not
influence sleep function.
4.2 Dual-8 Display
If the digital pipe display current setting temperature, the setting temperature range is 60.8-86 . It will display 77 for
cooling and fan under auto mode, and display 68 for heating, and the cooling controller displays 77 . The
temperature range is 32-140 when the indoor temperature displays.
4.3 Fan Speed Display
There are 3 status dynamic circle display for fan symbol, they are middle two segments, middle four segments and
display six segments, and the middle two segments is displaying. The fan speed symbol blinks the fastest when
remote control super-fan; the fan speed symbol blinks the lowest when remote control low-fan; the blink speed of
display symbol is between high fan and low fan when remote control med fan; the blink speed of display depends on
the indoor actual running speed when remote control auto fan speed; if the indoor fan motor stops, it blink display at
the lowest speed.
4.4 Indoor unit Malfunction Lamp Display
Mal Malfunction Name Dual-8
Display
Running
Lamp
Heating
Lamp
Cooling
Lamp
The system is abnormal (anti-high temp. power off,
cooling overload)
H4
Blink 4 times
Compressor overload protection H3 Blink 3 times
Module protection H5 Blink 5 times
High-pressure protection E1 Blink once
Anti-freeze protection power-off E2 Blink Twice
Discharge temperature protection E4 Blink 4 times
Low voltage over-current protection E5 Blink 5 times
Mode Clash E7 Blink 7 times
Communication malfunction E6 Blink 6 times
Defrost or heating oil return H1 Blink once
The indoor ambient temperature sensor is open, short
circuit
F1 Blink once
Any indoor evaporator temperature sensor is open,
short circuit
F2 Blink twice
The outdoor ambient temperature sensor is open,
short circuit
F3 Blink 3 times
The outdoor condenser temperature sensor is open,
short circuit
F4 Blink 4 times
The outdoor discharge temperature sensor is open,
short circuit
F5 Blink 5 times
Fail to start up H7 Blink 7 times
PFC malfunction HC Blink 6 times
Compressor demagnetizing protection HE Blink 14 times
The malfunction below need used by remote controller, it will display when press sleep button 6 times continuously in
3S, and exit inspect state(it is not valid under auto mode) automatically in 5min, or will exit when press sleep button 6
times continuously in 3S.
Cooling overload down frequency F6 Blink 6 times
Unit overflow down frequency F8 Blink 8 times
Compressor discharge down frequency F9 Blink 9 times
Unit AC voltage decreasing down frequency E0 Blink 10 times
Heating anti-high temperature down frequency H0 Blink 10 times
Anti-cool air protection E9 Blink 9 times
Cooling oil return F7 Blink 7 times
Note: The malfunction code will circular display when different malfunctions exist together. The indicator will light 0.5S
and display 0.5S when it blinks. The indoor temperature sensor malfunction will not inspected under defrost, oil return.
O
F
O
F
O
F
O
F
O
F
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