Note:
1. Please contact the installers or distributors when trouble happens to repair it.
2. Turn the power off and power on again, if the failure code recurs, please inform the franchiser.
3. Failrue codes maked with are resumable.
Abnormal communication
between wired controller and
indoor unit PCB
Drainage system abnormal
6 TIMES
Pump motor disconnected, or at wrong
position, or the float switch broken down
or the float switch disconnected,or at
wrong position
22
Abnormal communication
between chip TMP/807 and
chip TMP/846
14 TIMES
Faulty indoor unit PCB
Trouble Shooting
TROUBLE SHOOTING
FAILURE CODE
(TIMER LED OF INDOOR
RECEIVER BOARD FLASHES
TIMES)
POSSIBLE REASONS
Faulty temperature sensor
Tai
ONCE
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor
Tc1
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor
Tc2
3 TIMES
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor
Tm
4 TIMES
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty EEPROM on indoor
unit PCB
5 TIMES
Faulty indoor unit PCB
Abnormal communication
between indoor and outdoor unit
Wrong connection, or the wires be disconnected,
or wrong address setting of indoor units, or faulty
power supply or faulty PCB
Indoor unit address repeated
9 TIMES
Wrong setting of indoor unit address
Central control address repeated
10 TIMES
Wrong setting of centralized control indoor unit
address
Faulty indoor unit fan motor
11 TIMES
Fan is blocked, or the terminal is disconnected
from the PCB, or faulty indoor unit PCB
Faulty driver of indoor unit
fan motor
12 TIMES
Faulty indoor unit PCB
Malfunction on outdoor unit
20 TIMES
Check the outdoor unit failure code
TWICE
7 TIMES
Wrong connection, or use the wired controllerbe
disconnected, faulty PCB
8 TIMES
