mundoclima H11 Series, Service Manual, Page: 48 / 73

10.3.1.4 Open or short circuit of temperature sensor(IDU E4/E5/EH 60/EH 61)
Check the connections
between temperature
sensor and PCB. Are the
connections good?
Check the connections
between temperature
sensor and PCB. Are the
connections good?
Correct the connections.
Correct the connections. No
Yes
No
eplace the sensor.
Replace the sensor.
eplace the indoor PCB
Replace the indoor PCB
Measure the resistance value
of the sensor via Appendix 1
Measure the resistance value
of the sensor via Appendix 1
Is it normal?
Is it normal?
Yes
10.3.1.5 Water-level alarm malfunction(IDU EE)
If the water-level switch
is inserted well?
If the water-level switch
is inserted well?
No
Insert the water-level switch well
Insert the water-level switch well
If the water-level switch
is broken?
If the water-level switch
is broken?
Yes
Replace the water-level switch
Replace the water-level switch
Replace the water pump, If
malfunction
is still not
solved
Replace the water pump, If
malfunction
is still not
solved
Yes
No
Yes
Replace the indoor main PCB
Replace the indoor main PCB
Power off f f , then restart the unit 2 minutes
later. Is it still displaying the error code?
Power off, then restart the unit 2 minutes
later. Is it still displaying the error code?
Yes
Service manual
MUEX-
H11 series
47