5. TROUBLESHOOTING
5.1.
T roubles and causes of air conditioner
If one of the following malfunctions occur, stop operation, shut
off the power, and contact with your dealer.
The operation lamp is flashing rapidly (5Hz). This lamp is still
flashing rapidly after turn off the power and turn on again.
Remote controller receives malfunction or the button does not
work well.
A safety device such as a fuse, a breaker frequently actuates.
Obstacles and water enter the unit.
Water leaks from indoor unit.
Other malfunctions.
If the system does not properly operate except the above
mentioned cases or the above mentioned malfunctions is
evident, investigate the system according to the following
procedures. (Refer to Table 5-5)
Table 5-1 Indoor unit error codes
Run Lamp
Nº
Code
Timer Lamp
1
E0
OFF
2
E1
OFF
3
E3
OFF
4
E4
OFF
5
E5
OFF
6
EC
OFF
7
EE
OFF
8
E8
OFF
9
E9
OFF
10
Ed
OFF
11
F0
ON
12
F1
ON
13
F2
ON
14
F3
ON
15
F4
ON
16
F5
ON
17
F6
ON
18
F7
ON
19
F8
ON
20
F9
ON
21
FA
ON
22
P0
FLASH
23
P1
FLASH
24
P2
FLASH
25
P3
FLASH
26
P4
FLASH
27
P5
FLASH
28
P6
FLASH
29
P7
FLASH
30
CP
--
(flashes)
1
Indoor EEPROM error
2
Communication malfunction beetwen indoor and outdoor units
4
Indoor fan speed malfunction
5
Indoor room temperature sensor (T1) open circuit or short circuit
6
Indoor coil temperature sensor (T2) open circuit or short circuit
7
Regfrigerante leakage detection malfunction
8
Water-level alarm malfunction
9
Communication malfunction beetwen two indoor units (for Twin systems)
10
Other malfunction of Twins systems
11
Outdoor unit is faulty (for old comunicaction protocol)
1
Current overload protection
2
Outdoor room temperature sensor (T4) open circuit or short circuit
3
Outdoor coil temperature sensor (T3) open circuit or short circuit
4
Outdoor discharge temperature sensor (T5) open circuit or short circuit
5
Outdoor EEPROM error
6
Outdoor fan speed malfunction
7
Coil temperature sensor (T2B) open circuit or short circuit (for Multi H6M)
8
Lifting panel comunication checking chanel is abnormal
9
Lifting panel malfunction
10
Lifting panel is not closed
11
Internal communication error on indoor unit
1
Inverter module IPM protection
2
High/Low voltage protection
3
High temperature protection of compressor top
4
Outdoor low temperature protection
5
Compressor drive error
6
Mode conflict (for some Multi models)
7
voltage protection of compressor
8
Sensor of outdoor IGBT is faulty
--
Remote contact OFF enabled
Please cut off the power supply when appearing the
above malfunction, check if the voltage provided is out of
range, check if the installation of air-conditioner is
correct, then electrify again after 3 minutes power off. If
the problem is still existent, please contact the local
service station or the equipment provider.
Description
87
CAUTION