Troubleshooting - mundoclima MUCOR-48-H9T Manual De Instalación Y Usuario

6. TROUBLESHOOTING

6.1. 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 6-5)
Table 6-1 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
Eb OFF
12 F0 ON
13 F1 ON
14 F2 ON
F3 ON
15
16 F4 ON
17 F5 ON
18 F6 ON
19 F7 ON
20 F8 ON
21 F9 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 --
show on the LCD of the indoor unit when the unit is in the normal operation.The three iconsimply the three function respectively.
implies the remote control function.
implies the defrosting function.
implies the forced cooling function.
(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)
12
Display board and main control communication failure
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
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
62
CAUTION