SU MO TU WE TH FR SA
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button simultane-
ously for 2 seconds or more to start the test run.
Unit number (usually 0)
Error code
(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication E:EE is displayed, follow the following items
to perform the self-diagnosis. E:EE indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
1) Stop the air conditioner operation.
2) Press the set temperature buttons
simultaneously for 5 sec-
onds or more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
Test run display
(3) Press the set temperature buttons
simultaneously for 5 sec-
onds or more to stop the self-diagnosis.
Ex. Self-diagnosis
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor short-
circuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
02
03
04
05
06
07
08
09
0A
0b
0c
0d
0E
0F
11
12
13
14
2. OUTDOOR UNIT LEDS
When the outdoor temperature drops, the outdoor units fans may switch
to low speed.
ERROR : HEAT & COOL MODEL (REVERSE CYCLE) ONLY
The LED lamps operate as follows according to the error contents.
Error display
LED1
LED2
Error contents
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
0.1 sec.
OFF
ON
0.1 sec.
OFF
ON
Quick flash continued Quick flash continued
Model abnormal or
EEPROM abnormal
0.5 sec.
2 sec.
OFF
ON
OFF
ON
1 quick flash repeated Lighting continued
Power source
connection error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
2 quick flash repeated Lighting continued
Discharge tempera-
ture sensor error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
3 quick flash repeated Lighting continued
Outdoor heat
exchanger tempera-
ture sensor error
Error code
Error contents
Communication error
(indoor unit
remote controller)
Communication error
(indoor unit
outdoor unit)
00
01
4 quick flash repeated Lighting continued
Outdoor temperature
sensor error
5 quick flash repeated Lighting continued
Communication signal error
6 quick flash repeated Lighting continued
Indoor unit error
7 quick flash repeated Lighting continued
Discharge temperature
abnormal
8 quick flash repeated Lighting continued
High pressure abnormal
ERROR CONTENTS
2006.03.31
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