innovair QUANTUM WIN12HV51 User Manual page 37

INNOVAIR QUANTUM INVERTER
Error Code Indicators
24
26
27
33 o x
34 o x
Ο
★
36
38 o
★
39 o x
41
★ ★
The failure is detected when the room temperature sensor broken or shorted over 5 sec.
The failure is detected when the temperature sensor of heater exchange is broken or shorted over 5 sec.
The failure is detected when each setting data is not a match after the EEPPOM self-check two times.
The failure occurs when the grounding signal is not detected after the appliance is powered ON.
w w w . i n n o v a i r . c o m
Chip in outdoor
board in trouble
Overheated
outdoor radiator
Protection
against too high
system
pressure
Failure of
temperature
x
★
sensor of
indoor room
Failure of
temperature
x sensor of
★
indoor coil
temperature
×
★
Communication
failure between
the indoor unit
and outdoor
unit
Indoor
EEPROM
★ ★
failure
Indoor fan
motor run
★ ★
abnormally
Detecting
o failures by
★
zero-crossing
a. Using the wrong drive board;
b. Using the wrong compressor.
a. Radiator sensor fails
b. Detection circuit of the sensor
on the control panel fails
a. The pressure switch fails
b. The pressure detection switch
on the control panel fails
c. The measured value of
system pressure exceeds the
limit
a. The indoor room temperature
sensor is loose;
b. The indoor room temperature
sensor fails;
c. The indoor control board fails.
a. The indoor coil temperature sensor
is loose;
b. The indoor coil temperature sensor
fails;
c. The indoor control board fails.
a. the communication cable
connection is loose;
b. the communication cable fails;
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 fails;
f. the PFC board fails;
g. the power board fails;
h. the outdoor control board fails.
a. The EEPROM chip is loose;
b. The indoor control board fails
a. There are something blocking the
indoor fan motor;
b. The fan motor cord connection is
loose;
c. The fan motor fails;
d. The indoor control board fails
The indoor control board fails
34
TROUBLESHOOTING