e. Ensure the manual buttons on the indoor unit works properly.
f. Check to see that the drainage system is unimpeded and draining smoothly.
g. Ensure there is no vibration or abnormal noise during operation.
5. For the Outdoor Unit
a. Check to see if the refrigeration system is leaking.
b. Make sure there is no vibration or abnormal noise during operation.
c. Ensure the wind, noise, and water generated by the unit do not disturb your neighbors or pose a safety
hazard.
Automatic Wiring/Piping Correction Function
If the unit does not work properly or does not work according to your expectations, please refer
More recent models now feature automatic correction of wiring/piping errors. Press the "check
to the "Troubleshooting" section of this manual before consulting the customer service.
switch" on the outdoor unit PCB board for 5 seconds until the LED displays "CE", indicatomg tha
this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE" disapp
10 - FUNCTION OF AUTOMATIC WIRING/PIPING CORRECTION
meaning that the wiring/piping error is corrected and all wiring/piping is properly connected.
More recent models now feature
automatic correction of wiring/piping
errors. Press the "check switch" on
the outdoor unit PCB board for 5
seconds until the LED displays "CE",
indicating that this function is work-
ing, Approximately 5-10 minutes
after the switch is pressed, the "CE"
disappears, meaning that the wiring/
piping error is corrected and all
wiring/piping is properly connected.
How To Activate This Function
1. Check that outside temperature is above 5℃.
To activate this function:
1. Check that outside temperature is above 5°C. (This function does not work when outside temperature is not
2. Check that the stop valves of the liquid pipe and gas pipe are open.
above 5°C).
2. Check that the stop valves of the liquid pipe and gas pipe are open.
3. Turn on the breaker and wait at least 2 minutes.
3. Turn on the breaker and wait at least 2 minutes.
4. Press the check switch on the outdoor PCB board unit LED display "C E".
4. Press the check switch on the outdoor PCB board unit LED display "
EN - 26
Function of Automatic Wiring/Piping Correct
Correct
Incorrect wiring
Incorrect wiring
(This function does not work when outside temperature is not above 5℃)
Page 42
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
B
Terminal
A
block
Liquid/
B
A
Gas pipe
Outdoor unit
".
Check switch
LED display
Indoor unit B
Indoor unit A
Indoor unit B
Indoor unit A
Indoor unit B
Indoor unit A