Gree GTH36K3FI - Page 98

U-Match Series DC Inverter Service Manual
95
No.
Error
code
Malfunction
name
Origin of
malfunction
signal
Control description
12
F2
Malfunction of
condenser
temperature
sensor
Condenser
temperature
sensor
If the outdoor condenser temperature sensor is detected of open circuit
or short circuit for 5s successively, condenser temperature sensor
malfunction will be reported. The unit can automatically resume
operation after the malfunction disappears. If condenser temperature
sensor malfunction occurs in fan mode, only the error code is displayed
and the indoor unit can work normally.
13
F3
Malfunction of
outdoor
ambient
temperature
sensor
Outdoor
ambient
temperature
sensor
If the outdoor ambient temperature sensor is detected of open circuit or
short circuit for 5s successively, outdoor ambient temperature sensor
malfunction will be reported. The unit can automatically resume
operation after the malfunction disappears. If outdoor ambient
temperature sensor malfunction occurs in fan mode, only the error code
is displayed and the indoor unit can work normally.
14
F4
Malfunction of
discharge
temperature
sensor
Discharge
temperature
sensor
If the outdoor discharge temperature sensor is detected of open circuit
or short circuit for 5s successively after the compressor has been
operating for 3min, outdoor discharge temperature sensor malfunction
will be reported. The unit can automatically resume operation after the
malfunction disappears.
15
F5
Malfunction
wired controller
temperature
sensor
Wired
controller
If the wired controller detects open circuit or short circuit of its
temperature sensor for 5s successively, wired controller temperature
sensor malfunction will be reported.
18
ee
Malfunction of
outdoor drive
memory chip
Outdoor drive
board
If the memory chip of outdoor drive board is broken, the unit cannot be
started. The unit cannot be recovered automatically. If the malfunction
cannot be eliminated after switching off the unit and then energizing the
unit for several times, please replace the outdoor drive board.
20
H3
Compressor
overload
protection
Compressor
overload switch
If it is detected within 3s successively that the overload switch is cut off
under ON or standby state, the unit will report overload protection. If the
fault occurs successively 3 times, the unit cannot be recovered
automatically. Switch off the unit or re-energize the unit after cutting off
power to eliminate this protection.
21
H4
Overload
protection
Evaporator
temperature,
condenser
temperature
If outdoor unit detects that the tube temperature is higher than
protective temp. Value, the unit will report overload protection. The unit
will not restart operation until tube temperature is lower than the
protective temp. Value and the compressor is stopped for 3min. If the
protection occurs over 6 times, the unit cannot be recovered
automatically. Switch off the unit or re-energize the unit after cutting off
power to eliminate this protection.
23
H6
Malfunction of
outdoor fan
motor
Outdoor fan
motor
If the outdoor unit does not receive signal from outdoor fan motor for
30s successively when the fan motor is operating, outdoor fan motor
malfunction will be reported. In this case, the unit can automatically
resume operation after stopping. If the malfunction occurs 6 times
within one hour, the unit cannot be recovered automatically. Switch off
the unit or re-energize the unit after cutting off power to eliminate this
malfunction.
32
U7
Direction
changing
malfunction of
4-way valve
4-way valve
After the compressor starts operation in heating mode, if the outdoor
unit detects the difference between evaporator temperature and indoor
ambient temperature is lower than the protective value for 10min
successively, direction changing malfunction of 4-way valve will be
reported and the outdoor unit will stop operation. The unit can
automatically resume operation in the first two malfunctions. If the
malfunction occurs 3 times, the unit cannot be recovered automatically.
Switch off the unit or re-energize the unit after cutting off power to
eliminate this malfunction.
35
P6
Communicatio
n malfunction
between main
control and
drive
Communicatio
n between
main control
board and drive
board
If the outdoor main control board does not receive data from drive
board, communication malfunction between main control and drive will
be reported. This malfunction can be eliminated automatically.
47
EE
Malfunction of
outdoor main
control
memory chip
Outdoor main
control board
If the memory chip of outdoor main control board is broken, the unit
cannot be started. The unit cannot be recovered automatically. If the
malfunction cannot be eliminated after switching off the unit and then
energizing the unit for several times, please replace the outdoor main
control board.