06
FAILURE CODE
(CHECK THE WIRED
REMOTE
CONTROLLER)
TROUBLE SHOOTING
(indoor unit)
*
*
*
*
*
POSSIBLE REASONS
Faulty temperature sensor Tai
01
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
03
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty temperature sensor Tm
04
Sensor disconnected, or broken, or at wrong
position, or short circuit
Faulty EEPROM on indoor
unit PCB
05
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
02
Abnormal communication
between wired controller and
indoor unit PCB
Drainage system abnormal
The short-connector disconnected, or at wrong
position, or the float switch broken down or the
float switch disconnected,or at wrong position
*
*
*
*
*
*
*
*
Abnormal communication
between chip TMP/807 and chip
TMP/846
0E
Faulty indoor unit PCB
Indoor unit address repeated
09
Wrong setting of indoor unit address
07
Wrong connection, or use the wired controller
be disconnected, faulty PCB
08
Faulty defrost sensor Te
Sensor disconnected, or broken, or short circuit
Faulty sensor Tao
Sensor disconnected, or broken, or short circuit
Faulty sensor Ts
Sensor disconnected, or broken, or short circuit
Faulty sensor Td
Sensor disconnected, or broken, or short circuit
Input overcurrent
Over current of the system, or broken of the
current sensor,or malfunction with indoor or
outdoor fan motors, or faulty PCB.
15
16
17
14
19
System high pressure
protection
High pressure switch is disconnected, or high
pressure switch worked, or Tc too high and
faulty outdoor fan motor when cooling, or
faulty indoor fan motors when heating, or
refrigerant overabundance
1E
System low pressure
protection
Low pressure switch is disconnected, or low
pressure switch worked, or Te too low and
faulty outdoor fan motors when heating, or
faulty indoor fan motor when cooling, or
refrigerant shortage
1F
IPM protection
IPM over current, or short circuit, or IPM
temperature too high, or IPM input voltage
too low,or faulty SPDU(or ISPM).
EEPROM fault
Faulty outdoor unit PCB
20
21
6.1.3.
Diagnostic code for AD*XLERA
-1
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Summary of Contents for AB092XCERA
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