Friedrich Floating Air Pro-Premiere FPHW091 Service & Parts Manual page 62

Diagnostic Codes
Error Power Timer
Code
1 2
0
1 BLINK ON
2 BLINK ON
5 ON BLINK
6 OFF BLINK
7 ON ON
8
9
10 ON OFF
11 BLINK OFF
12
13 BLINK OFF
14 ON ON
15 OFF BLINK
62
TROUBLESHOOTING
Running
3 Content
Normal
ON The failure for temperature
sensor of outdoor coil
OFF Compressor exhaust
temperature sensor in
trouble
OFF IPM module protection
OFF AC voltage higher or lower
protection
OFF Communication failure
between the indoor unit and
outdoor unit
Current overload protection
Maximum current protection
OFF Communication trouble
between outdoor unit and
driver
OFF Outdoor EEPROM in trouble
Outdoor ambient
temperature too low
protection
ON Compressor exhaust
temperature too high
protection
BLINK Outdoor ambient
temperature sensor in
trouble
ON Compressor shell
temperature too high
protection
The root cause is may be one of the following
a. The outdoor temperature sensor loose.
b. The outdoor temperature sensor failed.
c. The indoor control board failed
a. the compressor exhaust temperature sensor connect
loose.
b. the compressor exhaust temperature sensor failed.
c. the outdoor control board failed.
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 below standards.
a. the supply voltage is higher or lower than normal.
b. the inner supply voltage of the unit is higher or lower
than normal.
a.the communication cable connect loose.
b.the communication cable failed.
c.the connection between the filter board and the outdoor
control board is incorrect or loose.
d.the connection between the filter board and the terminal
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.
a.the fan motor runs abnormally.
b.the condensor and evaporator are dirty.
c.the air inlet and outlet is abnormal or obstructed.
a.the outdoor control board is short circuited.
b.the drive board is short circuited.
c.ther components are short circuited.
a. the connection wires connector loose.
b.the outdoor board or drive board failed.
a.the EEPROM chip is loose;
b.the EEPROM chip inserted in the opposite direction.
c.the EEPROM chip failed.
Outdoor ambient temperature too low.
a.the compressor exhaust temperature sensor failed
b.the refrigerant chage is low.
a.the outdoor ambient temperature sensor connector
loose
b.the outdoor ambient temperature sensor failed.
c.the outdoor control board failed.
a.the compressor exhaust temperature sensor connector
loose.
b.the refrigerant charge is low.