Unit installation
Table Of Contents

P29 OF 38
INSTALLATION AND MAINTENANCE OF HEALTHY FILTER
YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...
TROUBLESHOOTING
CONFIRMATION
1) Confirmation of Power Supply
Confirm that the power breaker operates(ON) normally;
2) Confirmation of Power Voltage
Confirm that power voltage is AC 220-C230-C240 10%. If power voltage is not in this range, the unit may not
operate normally.
FLASHING LED OF INDOOR/OUTDOOR UNIT AND PRIMARY JUDGEMENT
P30 OF 38
YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...
Take out the healthy filter before cleaning according to the installation instruction. Pay special attention to that
silver ion filter can't be cleaned with water, while active carbon, photo catalyst, low temperature conversion (LTC)
catalyst, formaldehyde eliminator, ca-techin or mite killing filter can, but can't with brush or hard things. Dry it in
and reinstall it after cleaning the shade or sun after cleaning, but not by wiping.
CLEANING AND MAINTENANCE
SERVICE LIFE
The healthy filter commonly has its usage lifetime for one year under normal condition. As for silver ion filter, it is
invalid when its surface becomes black (green).
This supplementary instruction is provided for reference to the unit with healthy filter. If the graphics provided
herein is different from the physical goods, the latter one shall prevail. The quantity of healthy filters shall be
based on the actual delivery.
INSTALLATION INSTRUCTIONS
No.
Name of
malfunction
Indoor unit displaying method
Double 8 code display
Indicator display (LED
blinks 0.5s-ON/0.5s-
OFF)
Running
LED
Cooling
LED
Heating
LED
D40
D41 D42
D43
Outdoor unit
display (LEDs
have 3 status)
AC status
Malfunctions
System high
pressure
protection
Anti-freezing
protection
High pressure of system, might be:
1) Refrigerant is too much;
2) Poor heating exchanging for units
(including heat exchanger is dirty
and unit heating radiating ambient
is poor);
3) Ambient temp. is too high.
E1
E2
Cooling, dehumidifying, except the
indoor fan motor is running, others
will stop to running
Cooling, dehumidifying, compressor,
outdoor fan motor will stop running,
indoor fan motor will keep running.
1) Poor indoor unit air returning;
2) indoor fan motor rotating speed
abnormal;
3) Evaporator is dirty/.
3s off
blink
once
3s off
blink
twice
1
2
Pls refer to trouble shoot (air
exhaust protection, overload)
3
Compressor
air exhaust
high temp.
protection
E4
Cooling, dehumidifying, compressor,
outdoor fan motor will stop running,
indoor fan motor works. heating: all
stop running.
3s off
blink
four
times










