MrCool DIY-MULTI4-36HP230C User Manual

 Troubleshooting 44 
High temperature protection of
condenser
High temperature protection of
condenser
Check whether the
condenser temperature is
Higher than 65°C
Check whether the
condenser temperature is
Higher than 65°C
Yes
Check whether the
resistance of condenser
temp. sensor is normal refer
to the Appendix
Check whether the
resistance of condenser
temp. sensor is normal refer
to the Appendix
Replace the temperature sensor
Replace the temperature sensor
No
No
Check whether the outdoor
ambient temperature is
higher than 50℃
Check whether the outdoor
ambient temperature is
higher than 50℃
No
Stop the unit
Stop the unit
Yes
Check if the outdoor unit
ventilation is good
Check if the outdoor unit
ventilation is good
Yes
Make the outdoor unit ventilate well
Make the outdoor unit ventilate well
Check whether the heat
exchanger is dirty
Check whether the heat
exchanger is dirty
No
Clean the heat exchanger
Clean the heat exchanger
Yes
Check whether the refrigerant
system is ok
Check whether the refrigerant
system is ok
Replace outdoor main board
Replace outdoor main board
No
Refrigerant is not enough add the
refrigerant
Refrigerant is not enough add the
refrigerant
No
Check if the outdoor fan
runs properly
Check if the outdoor fan
runs properly
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
No
Yes
No
Correct the connection
Correct the connection
No
Yes
Check the connection
between temperature
sensor and PCB.
Check the connection
between temperature
sensor and PCB.
Yes

MrCool DIY-MULTI4-36HP230C Specifications

General

Brand	MrCool
Model	DIY-MULTI4-36HP230C
Category	Air Conditioner
Language	English