SiK011003
47
Troubleshooting
Troubleshooting
Troubleshooting for Main Malfunction
(1) Malfunction of Indoor ambient temperature sensor is open,short circuit
Malfunction of Indoor evaporator temperature sensor is open,short circuit
Start
Is
the wiring terminal between the
temperature sensor and the controller
loosened or poorly contacted?
Insert the temperature
sensor tightly
yes
Is malfunction
eliminated
Is there short circuit due to trip-over of
the parts?
Make the parts upright
yes
Is malfunction
eliminated
Replace the mainboard
with the same model.
End
no
no
Is the
temperature sensor normal according
to the Resistance
Table?
no
Replace it with a
temperature sensor
with the same model
no
yes
yes
Is malfunction
removed
no
yes
yes
no
Malfunction
Name
Indicator Display (during
blinking, ON 0.5s and OFF 0.5s)
Operation
Indicator
Cool
Indicator
Heating
Indicator
Indoor ambient
temperature sensor
is open,short circuit
OFF 3S
and blink
once
Indoor evaporator
temperature sensor
is open,short circuit
OFF 3S
and blink
twice