47
PB
TROUBLESHOOTING
Diagnostic Codes
Indoor Unit
Error
Code
Power Timer
Running Sleep
1
2
3
4
Content
The root cause is may be one of the following
9
OFF
OFF
BLINK
OFF
Maximum current
protection
a.the outdoor control board is short circuited.
b.the drive board is short circuited.
c. other components are short circuited.
10
OFF
OFF
BLINK
ON
Communication trouble
between outdoor unit and
driver
a. the connection wires loose.
b.the outdoor board or drive board failed.
11
OFF
ON
BLINK
OFF
Outdoor EEPROM in trouble
a.the EEPROM chip is loose.
b.the EEPROM chip inserted incorrectly.
c.the EEPROM chip failed.
12
OFF
ON
BLINK
ON
Outdoor ambient
temperature too low
protection
Outdoor ambient temperature too low.
13
ON
OFF
BLINK
OFF
Compressor exhaust
temperature too high
protection
a.the compressor exhaust temperature sensor
failed.
b.the unit refrigerant charge is low
14
ON
OFF
BLINK
ON
Outdoor ambient
temperature sensor failure.
a.the outdoor ambient temperature sensor
connector loose
b.the outdoor ambient temperature sensor
failed.;
c.the outdoor control board failed.
15
ON
ON
BLINK
OFF
Compressor shell
temperature too high
protection
a.the compressor exhaust temperature sensor
connector loose.
b.the unit refrigerant charge is low.
16
Anti-freeze protection
with cooling or overload
protection with heating in
a.the indoor coil temperature sensor
connector loose;
b.the indoor coil temperature sensor failed..
c.the indoor control board failed..
d. the refrigerant system is abnormal
17
PFC protection
a.the PFC failed.;
b.the outdoor drive board failed.
18
DC compressor start
failure
a.the outdoor drive board failed.;
b.the compressor failed.
19
OFF
OFF
OFF
BLINK
Compressor drive failure.
a.the outdoor drive board failed.;
b.the compressor failed.
c. the outdoor control board failed.
20
ON
OFF
OFF
BLINK
Outdoor fan motor locked
rotor protection.
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.
21
Outdoor coil anti-overload
protection with cooling.
a.the unit refrigerant charge is exccessive.
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.
22
Compressor pre heating
process
it is normal mode in cold weather.
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 ...