innovair QUANTUM WIN12HV51 User Manual page 36

INNOVAIR QUANTUM INVERTER
Error Code Indicators
×
★
13
×
★
14
★ ★
15
16
17
18
× ×
19
×
★
20
21
22
Compressor
Ο ×
exhaust
temperature
too high
protection
Outdoor
Ο
★
ambient
temperature
sensor in
trouble
Compressor
Ο ×
shell
temperature
too high
protection
Anti-freeze
protection
with cooling
or overload
protection
with heating
in
PFC
protection
DC
compressor
start failure
× Ο
Compressor
drive in
trouble
× Ο
Outdoor fan
motor locked
rotor
protection
Outdoor coil
anti-overload
protection
with cooling
Compressor
pre heating
process
33
TROUBLESHOOTING
a. the compressor exhaust
temperature sensor fails;
b. the refrigerant of the unit is not
enough
a. the outdoor ambient temperature
sensor connect is loose;
b. the outdoor ambient temperature
sensor fails;
c. the outdoor control board fails
a. the compressor exhaust
temperature sensor connect ion is
loose
b. the refrigerant of the unit is not
enough
a. the indoor coil temperature sensor
connect is loose;
b. the indoor coil temperature sensor
fails;
c. the indoor control board fails
d. the refrigerant system is abnormal.
a. the PFC fails;
b. the outdoor drive board fails
a. the outdoor drive board fails;
b. the compressor fails
a. the outdoor drive board fails;
b. the compressor fails
c. the outdoor control board fails
a. the connection of the outdoor fan
motor is loose;
b. there is something blocking the
outdoor fan;
c. the fan motor fails;
d. the outdoor control board fails
a. the refrigerant is too much;
b. the outdoor fan motor fails;
c. the outdoor fan is broken;
d. the condenser is dirty;
e. the air inlet and air outlet of the
indoor unit and the outdoor unit are not
normal
it is normal mode in cold weather