En-38
LED Display
111
You can determine the operating status by the lighting up and blinking of the LED lamp.
Check the status using the table below.
Normal operation mode
111 11
CODE
DESCRIPTION
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
Error display mode
111 21
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
: Press the “SELECT” button.
SELECT
SELECT
ENTER
ENTER
: Press the “ENTER” button.
CODE
DESCRIPTION
CODE
DESCRIPTION
E 1 1 3
Serial communication error
E 7 5 1 Suction gas thermistor error
E 1 1 4
E 7 7 1 Heat sink thermistor error
E 1 5 6 Check run unfinished
E 8 2 1 Sub-cool heat EX gas inlet thermistor error
E 2 1 2 Number of wires and pipes error
E 8 2 2 Sub-cool heat EX gas outlet thermistor error
E 2 2 1 Indoor unit capacity error
E 8 3 1 Liquid pipe thermistor error
E 2 4 2 Number of indoor units error
E 8 4 1 Current sensor error
E 2 4 3 Number of Branch boxes error
E 8 6 1 Discharge pressure sensor error
E 5 U 1 Indoor unit error
E 8 6 3 Suction pressure sensor error
E 6 2 1 Outdoor unit model information error
E 8 6 4 High pressure switch error
E 6 3 1 Inverter error
E 9 4 1 Over current error
E 6 4 1 A.F. voltage error
E 9 5 1 Compressor control error
E 6 5 3 I.P.M. error
E 9 7 3 Outdoor unit fan motor error
E 6 A 1 Display P.C.B. communication error
E 9 9 1 4-way valve error
E 7 1 1 Discharge thermistor error
E A 1 1 Discharge temp. error
E 7 2 1 Compressor thermistor error
E A 3 1 Compressor temp. error
E 7 3 3 Heat EX. liquid outlet thermistor error
E A 5 1 Low pressure error
E 7 4 1 Outdoor thermistor error
E J 2 U Branch boxes 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
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9379069342-02_IM.indb 38
17/5/2556 11:50:02
