Cooper & Hunter CH-S09FVX - Page 43

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Installation and Maintenance
Service Manual
Temperature drift protection
Hardware
malfunction
PE / / /
Sensor connection protection
Hardware
malfunction
Pd / / /
Drive board communication malfunction
Hardware
malfunction
P6 blinks 16 times
Compressor heat overload protection
Hardware
malfunction
H3 blinks 3 times
Indoor unit and outdoor unit do not
match
Hardware
malfunction
LP blinks 19 times
Memory chip malfunction
Hardware
malfunction
EE blinks 15 times
Wrong connection of communication
cable or expansion valve malfunction
Hardware
malfunction
dn / / /
Complete unit current detection
malfunction
Hardware
malfunction
U5 blinks 13 times
Wrong connection of communication
cable or expansion valve malfunction
detection mode
Running mode dd / / /
Mode conict Running mode E7 blinks 7 times
Refrigerant recovery mode Running mode Fo blinks 1 times blinks 1 times
Defrosting or oil return in heating mode Running mode H1 blinks 1 times
Rating cooling or heating Running mode P1 / / /
Max cooling or heating Running mode P2 / / /
Middle cooling or heating Running mode P3 / / /
Min cooling or heating Running mode P0 / / /
Compressor losing of synchronism
Displayed on the
remote controller in
200s; display on the
nixie tube after 200s
H7 blinks 7 times
Compressor start failure Lc blinks 11 times
High discharge temperature protection of
compressor
E4 blinks 4 times
Overload protection E8 blinks 8 times
Complete unit overcurrent protection E5 blinks 5 times
Phase current overcurrent protection P5 blinks 15 times
Module current protection H5 blinks 5 times
4-way valve commutation malfunction U7 blinks 20 times
Complete unit current protection with
limiting frequency or lowing down
frequency
Displayed on the
remote controller
F8 blinks 8 times
Module current protection with limiting
frequency or lowing down frequency
Displayed on the
remote controller
En / / /
Overhigh discharge with limiting
frequency or lowing down frequency
Displayed on the
remote controller
F9 blinks 9 times
Freeze protection with limiting frequency
or lowing down frequency
Displayed on the
remote controller
FH blinks 2 times blinks 2 times
Overload with limiting frequency or
lowing down frequency
Displayed on the
remote controller
F6 blinks 6 times
Module temperature protection with
limiting frequency or lowing down
frequency
Displayed on the
remote controller
EU blinks 6 times blinks 6 times
Oil return in cooling mode
Displayed on the
remote controller
F7 blinks 7 times
Cold blow protection
Displayed on the
remote controller
E9 blinks 9 times
Freeze protection
Displayed on the
remote controller
E2 blinks 2 times
外风机故障保护 ( 外风机堵转或未接——当有双
外风机时 L3 表示风机 1 而 LA 表示风机 2)
Hardware
malfunction
LA blinks 24 times
直流风机故障 / 外风机故障保护 ( 外风机堵转或
未接——当有双外风机时 L3 表示风机 1 而 LA 表
示风机 2)
Hardware
malfunction
L3 blinks 23 times