46
PB
TROUBLESHOOTING
Diagnostic Codes
Indoor Unit
The the indoor display board will show the error code automatically when the unit has the following trouble:
Error
Code
Power Timer Running Sleep
1
2
3
4
Content
The root cause is may be one of the
following
EA
the error code will display
when the communication
between display board and
control board is interrupted
a. The connection between the display
board and control board is loose.
b. The indoor control board failed.
c.The wiring of the display board
failed
When the unit has the following trouble and the compressor stops running, press the sleep button on the remote controller
for 10 times in ten seconds and the 7-segment tube of the display board will show the error code as the following, if two
malfunctions happened at the same time, the sleep button needs to be pressed 10 times again, the LED will show the other
error code.
Refer to the remote controller which the sleep key can set into 4 different combination ways , when using to check the error
codes only takes effect for pressing the sleep key 10 times in ten seconds instead of 4 times.
NOTE: If the troubleshooting inquiry display by 7-segment tube, then the error code will be displayed, otherwise only the
LED of the display board can show.
Error
Code
Power Timer
Running Sleep
1
2
3
4
Content
The root cause is may be one of the following
0
Normal
1
OFF
BLINK
OFF
OFF
The failure for temperature
sensor of outdoor coil
a. The outdoor temperature sensor loose.
b. The outdoor temperature sensor
failed.
c. The indoor control board
failed.
2
OFF
BLINK ON
OFF
Compressor exhaust
temperature sensor in
trouble
a. the compressor exhaust temperature
sensor connector loose.
b.the compressor exhaust temperature sensor
failed.
c.the outdoor control board failed.
5
ON
BLINK
OFF
OFF
IPM module protection
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.
6
ON
BLINK
OFF
ON
AC voltage higher or lower
protection
a. the supply voltage is higher or lower than
normal.
b.the inner supply voltage of the unit is higher
or lower than normal.
7
ON
BLINK ON
OFF
Communication failure
between the indoor unit
and outdoor unit
a.the communication cable is diconnected or
loose.
b. the connection between the filter board
and the terminal is incorrect or loose
c.the communication cable failed.
d.the connection between the filter board and
the outdoor control board is incorrect or loose.
e.the indoor control board failed.
f.the PFC board failed.
g.the power board failed.
h.the outdoor control board failed.
8
ON
BLINK ON
ON
Current overload protection a.the fan motor runs abnormally.
b.the condensor and evaporator is dirty.
c.the air inlet and outlet are abnormal.
Summary of Contents for Floating Air Pro-Premiere FPHFW18A3A
Page 25: ...25 INSTALLATION Installation Dimension Diagram Figure 401 ...
Page 26: ...26 INSTALLATION Main Tools For Installation and Maintenance Figure 402 ...
Page 34: ...34 INSTALLATION Install Outdoor Unit Fig 431 ...
Page 35: ...35 INSTALLATION Outdoor Units ...
Page 40: ...40 MAINTENANCE Fig 501 ...
Page 59: ...59 TROUBLESHOOTING Error Code 13 Fig 708 Error Code 8 ...
Page 62: ...62 TROUBLESHOOTING Error Code 20 DC fan motor test point Fig 711 ...
Page 68: ...68 Fig 716 TROUBLESHOOTING Error Code 36 ...
Page 73: ...73 COMPONENTS TESTING Fan Motor ...
Page 87: ...87 WIRING DIAGRAMS Outdoor Units Figure 805 9 36K Outdoor Units ...