outdoor pipe temperature is less than 52°C.
Is the condenser temperature
is
Higher
than
65
°C
?
Is the condenser temperature
is Higher than 65
°C
?
Yes
Is the resistance of
condenser temp
.
sensor
Normal?
Is the resistance of
condenser temp
. sensor
Normal?
Replace the temperature sensor
Replace the temperature sensor
No
No
Is the outdoor ambient
temperature higher than
50℃
/
54℃
(tropical models
)?
Is the outdoor ambient
temperature higher than
50
℃/
54℃
(
tropical models)
?
No
Stop the unit
Stop the unit
Yes
Is the outdoor unit
ventilation functioning
properly?
Is the outdoor unit
ventilation functioning
properly?
Yes
Ensure that the outdoor unit ventilate
is functioning properly
Ensure that the outdoor unit ventilate
is functioning properly
Is the heat exchanger dirty?
Is the heat exchanger dirty?
No
Clean the heat exchanger
Clean the heat exchanger
Yes
Check whether the refrigerant
system is functioning normally
Check whether the refrigerant
system is functioning normally
Replace outdoor main
board. Has the problem been
resolved?
Replace outdoor main
board. Has the problem been
resolved?
No
If the level of refrigerant is not
sufficient, does the system work
after refrigerant is added?
If the level of refrigerant is not
sufficient, does the system work
after refrigerant is added?
No
Is the outdoor fan running
properly?
Is the outdoor fan running
properly?
Please refer to the solution of the
"fan speed is operating outside of
the normal range" malfunction.
Please refer to the solution of the
"fan speed is operating outside of
the normal range" malfunction.
No
Yes
No
Correct the connection
Correct the connection
No
Yes
Is the connection between
temperature sensor and
PCB in working order?
Is the connection between
temperature sensor and
PCB in working order?
Yes
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