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111
LED Display
You can determine the operating status by the lighting up and blinking of the LED lamp.
Check the status using the table below.
111 11
Normal operation mode
CODE
C
L
Cooling
H
t
Heating
o
r During oil recovery operation
d F During defrosting operation
P C During power saving operation
L n During low noise operation
111 21
Error display mode
•
When error occurs, "Err" and "Number of errors occurred" are alternately displayed on the 7 seg. display.
•
The latest error code can be confirmed by pressing the ENTER button.
•
When error codes are displayed, all the error codes can be confirmed by pressing the SELECT button.
•
When the error display appears even though the measures for error are taken, switch on the power again after
turning off the power. When the power is turned on again after turned off, wait approx. 10 minutes and turn on the
power again.
Example: When "Discharge thermistor error" and "Compressor thermistor error" occurred
CODE
E 1
1
3
Serial communication error
E 1
1
4
E 1
5
6 Check run unfinished
E 2
1
2 Number of wires and pipes error
E 2
2
1 Indoor unit capacity error
E 2
4
2 Number of indoor units error
E 2
4
3 Number of Branch boxes error
E 5 U 1 Indoor unit error
E 6
2
1 Outdoor unit model information error
E 6
3
1 Inverter error
E 6
4
1 A.F. voltage error
E 6
5
3 I.P.M. error
E 6
A 1 Display P.C.B. communication error
E 7
1
1 Discharge thermistor error
E 7
2
1 Compressor thermistor error
E 7
3
3 Heat EX. liquid outlet thermistor error
E 7
4
1 Outdoor thermistor error
Note : Even if error is solved while displaying error codes, the 7 seg. display continues to display the error codes.
Please confirm the error has been recovered by checking normal display.
7 seg. display
:
En-38
ENTER
DESCRIPTION
DESCRIPTION
: Press the "SELECT" button.
SELECT
: Press the "ENTER" button.
ENTER
SELECT
CODE
E 7
5
1 Suction gas thermistor error
E 7
7
1 Heat sink thermistor error
E 8
2
1 Sub-cool heat EX gas inlet thermistor error
E 8
2
2 Sub-cool heat EX gas outlet thermistor error
E 8
3
1 Liquid pipe thermistor error
E 8
4
1 Current sensor error
E 8
6
1 Discharge pressure sensor error
E 8
6
3 Suction pressure sensor error
E 8
6
4 High pressure switch error
E 9
4
1 Over current error
E 9
5
1 Compressor control error
E 9
7
3 Outdoor unit fan motor error
E 9
9
1 4-way valve error
E A 1
1 Discharge temp. error
E A 3
1 Compressor temp. error
E A 5
1 Low pressure error
E
J
2 U Branch boxes error
DESCRIPTION
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