44
PB
TROUBLESHOOTING
Diagnostic Codes
Outdoor Unit
Diag
Code
Outdoor Failure Description
LED1
LED2
LED3
the root cause my be one of the following
Compressor drive faulted
BLINKS
OFF
BLINKS
a.the outdoor drive board
failed.
b.the compressor
failed.
c. the outdoor control board
failed.
Outdoor fan motor locked rotor
protection
BLINKS
BLINKS
ON
a.the connection of the outdoor fan motor is
loose.
b.there is something blocking the outdoor fan.
c.the fan motor
failed.
d.the outdoor control board
failed.
Outdoor coil anti-overload
protection with cooling
OFF
ON
OFF
a.There is too much refrigerant.
b.the outdoor fan motor
failed.
c.the outdoor fan is broken.
d.the condensor is dirty.
e.the air inlet and air outlet of the indoor unit
and the outdoor unit is not normal.
IPM module protection
OFF
BLINKS
OFF
a.The IPM board
failed.
b.The outdoor fan is broken.
c.The outdoor fan motor
failed.
d.The outdoor fan has been blocked.
e.The condenser is dirty.
f.The outdoor unit has been installed without
standard.
PFC protection
BLINKS
OFF
OFF
a.the PFC failed.
b.the outdoor drive board failed.
Compressor pre heating process
BLINKS
ON
BLINKS
it is normal mode in cold weather
Chip in outdoor board faulted
ON
OFF
BLINKS
a. Using the wrong drive board.
b. Using the wrong compressor.
AC voltage higher or lower
protection
ON
ON
BLINKS
a.the supply voltage is higher or lower than
normal.
b.the inner supply voltage of the unit is higher
or lower than normal.
DC compressor start failure
BLINKS
BLINKS
OFF
a.the outdoor drive board failed.
b.the compressor failed.
Outdoor ambient temperature too
low protection
BLINKS
OFF
OFF
a. Outdoor ambient temperature too low.
Mark description: the lights flash every two seconds for the following faults
Protection against overheated
outdoor radiator
BLINKS
OFF
OFF
a. Radiator sensors failed.
b. Detection circuit of the sensor on the control
panel fails
Protection of the system against too
high pressure
BLINKS
BLINKS
OFF
a. The pressure switch fails
b. The pressure detection switch on the control
panel failed.
c. The measured value of the system pressure
exceeds the limit.
Содержание Floating Air Pro-Premiere FPHFW18A3A
Страница 25: ...25 INSTALLATION Installation Dimension Diagram Figure 401 ...
Страница 26: ...26 INSTALLATION Main Tools For Installation and Maintenance Figure 402 ...
Страница 34: ...34 INSTALLATION Install Outdoor Unit Fig 431 ...
Страница 35: ...35 INSTALLATION Outdoor Units ...
Страница 40: ...40 MAINTENANCE Fig 501 ...
Страница 59: ...59 TROUBLESHOOTING Error Code 13 Fig 708 Error Code 8 ...
Страница 62: ...62 TROUBLESHOOTING Error Code 20 DC fan motor test point Fig 711 ...
Страница 68: ...68 Fig 716 TROUBLESHOOTING Error Code 36 ...
Страница 73: ...73 COMPONENTS TESTING Fan Motor ...
Страница 87: ...87 WIRING DIAGRAMS Outdoor Units Figure 805 9 36K Outdoor Units ...