Turboair Split wall-mounted Air Conditioner Use and care manual

Lo Hi

TAS-09EHU&TAS-09EHU/O,TAS-12EHU&TAS-12EHU/O
TAS-18EHU&TAS-18EHU/O,TAS-24EHU&TAS-24EHU/O

1
failure code manual
DC inverter single split series
LED failure The reason of fault and solution
F1 communication fault
1、
Check whether the connection of the outdoor unit and
indoor unit is one to one, otherwise connect the L, N
and communication line of the indoor unit and outdoor
unit one to one.
2、
Measure whether the voltage between the zero line and
the communication line is 18V-30AC half-wave signal,
check whether the communication circuit on the indoor
and outdoor electric control board has been damaged,
otherwise replace it.
3、
.
Check whether the LED on the outdoor power board
has been on, otherwise replace the electric control
board.
4、
Check whether the unit is abnormal caused by the
external interference, if it is, then find the interfering
source, and removes it.
F2 2
ambient temp.
sensor fault
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、
Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、
When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
1
Light
board should be replaced.
F3 3
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、
Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
coil pipe temp.
sensor of indoor
unit fault (inlet,
Middle, outlet)
running lamp
(flicker times) timer lamp (flicker times)
F4 4
1、
Check whether the contact of the plug of the motor wire
and socket is well, making sure well contact.
2、
Check whether the indoor motor has damaged, the
motor should be replaced when it is damaged.
3、
Check whether the controllable silicon and other
components on the electric control board have
damaged, replace the controllable silicon or electric
control board when they are damaged.
fan motor of indoor
unit fault
Light
Light
Light

F7 7
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、
Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
F8 8
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、
When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
F9 9
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、
When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
coil pipe temp.
sensor of outdoor
unit fault
suction temp.
sensor of
compressor fault
discharge temp.
sensor of
compressor fault
F5 5
1、
Check whether the connection of the compressor is
reliable, otherwise connect firmly again.
2、
Check whether the fixation between the IPM module
and the radiator is firm.
3、Check if the compressor is well, otherwise replace it.
4、Check whether the IPM module is abnormal, otherwise
replace it.
F6 6
1、Check whether the resistance of sensor is normal,
otherwise replace it.
2、
Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、
module of outdoor
unit fault
Light
ambient temp.
of outdoor fault
sensor
Light
When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
2
Light
Light
Light

inductor of
current or voltage
fault
Check whether inductor of current or voltage have been
damaged, they should be replaced if they are fault.
FC 11 compressor drive
fault
1、
Power on again, and check the operation of the
compressor is normal.
2、
Check whether the connection of the compressor is
reliable, otherwise repair.
3、
Check whether the components on the electric control
board have been damaged, if they are damaged, the
components or the electric control board should be
replaced.
FD 12
phase lacking or
phase sequence
fault
Check power wire voltage or change two power wires.
FE 13 gas return sensor
fault(include
A,B,C,D)
1、
Check whether the resistance of sensor is normal,
otherwise replace it.
2、
Check whether the sensor wire is short circuit or open
circuit, and whether the plug is well contacted, whether
there is welding off or rosin joint on the electric control
board, repair it if there is any above.
3、
When the 1 and 2 are both normal, then the components
or integrated circuit is damaged, the electric control
board should be replaced.
FF 14 other fault
1、DC motor fault
2、NO refrigerant
3、Other fault
P1 1 temp. of evaporator
protection
1、
Check whether the filter of indoor unit is too dirty, and
it should be cleaned when it is too dirty.
2、
Check whether it has barrier around indoor unit,
it should be remove if it has.
3、
Check whether the indoor motor is damaged, it should
be replaced motor or electrical control board when it is
damaged.
FA 10
Light
Light
Light
Light
Light
Light
P2 2
overheat, over
current protection
of inverter module
1、
Check whether the fixation between the IPM module
and the radiator is firm.
2、
Check whether the compressor is well, otherwise
replace it.
3、Check whether the IPM module is abnormal, otherwise
replace it.
Light
P3 3 over current
protection
1、
Check whether the ambient temperature exceeds the
operation range for the air conditioner
2、Check whether the current detection circuit is
abnormal, the electric control should be replaced when
it is abnormal.
Light
3

P4 4 discharge temp. of
compressor
protection
1、
Check whether the air condition system and pressure
are normal.
2、Check whether the sensor, connecting wire of the
sensor and the detection circuit are abnormal.
P5 5 over heat of
compressor top
protection
1、
Check whether the air condition system and pressure
are normal.
2、Check whether the sensor, connecting wire of the
sensor and the detection circuit are abnormal.
P6 6 suction temp. of
compressor
protection
1、
Check whether the air condition system and pressure
are normal.
2、Check whether the sensor, connecting wire of the
sensor and the detection circuit are abnormal.
P7 7
low
or high voltage
protection
1、
Check whether the supply voltage is out of rang from
150 to 270V
2、Check the voltage detection circuit of the IPM base
board is abnormal, if it is abnormal, the IPM base board
or the electric control board should be replaced.
P8 8 low presser of gas
return protection
1、Check whether the pressure is normal when the unit is
running, if it is abnormal, should detect the leakage and
welding、add refrigerant.
P9 9
1、
6
high pressure of
discharge
protection
Check whether the pressure is normal when the unit is
running, if it is abnormal, should detect the leakage and
welding、add refrigerant.
PA 10
high temp. of
condenser
protection
1、Check whether the condenser of outdoor unit is too dirty,
and it should be cleaned when it is too dirty.
2、Check whether it
is running at bad condition long
3、Check whether senor and wire are normal.
PC 11
high temp. of
outdoor ambient
protection
1、
Check the outdoor ambient temperature is too high or
there is heat source around the outdoor unit.
2、
Check whether the sensor and sensor wire are normal.
PF 12 other
protection
time.
Light
Light
Light
Light
Light
Light
Light
Light
Light
4