62
unit
Compressor drive
in trouble
a.
the outdoor drive board is failure;
b.
the compressor is failure
c.
the outdoor control board is failure
Outdoor fan motor
locked rotor
protection
★
a.
the connection of the outdoor fan motor is loose;
b.
there are something block the outdoor fan;
c.
the fan motor is failure;
d.
the outdoor control board is failure
Outdoor coil
anti-overload
protection with
cooling
★
a.
the refrigerant is too much;
b.
the outdoor fan motor is failure;
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 normally
IPM module
protection
a.
The IPM board is failure;
b.
The outdoor fan is broken;
c.
The outdoor fan motor is failure;
d.
The outdoor fan has been blocked ;
e.
The condenser is dirty;
f.
The outdoor unit has been installed without
standard.
PFC protection
a.
the PFC is failure;
b.
the outdoor drive board is failure
Compressor pre
heating process
★
it is normal mode in cold weather
Chip in outdoor
board in trouble
★
a.
Using the wrong drive board;
b.
Using the wrong compressor.
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
Summary of Contents for ABSCI4H4S09
Page 1: ...1 Service Manual...
Page 20: ...20 Outdoor Units Unit All Models View Remote controller Model All Models View...
Page 27: ...27 Indoor 1852066 1854605...
Page 28: ...28 1854698...
Page 29: ...29 Outdoor 1854707...
Page 47: ...47 ASRCI4H4S18 ASRCI4H4S24 ABSCI4H4S12 ABSCI4H4S18...
