Mitsubishi FDCVA302HENR User Manual

-
111
-
5
[Defective outdoor unit heat exchanger thermistor]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Temperature (°C)
15
10
5
010 304020 50
5kΩ at 25°C
Is the outdoor
unit heat exchanger
thermistor connector
OK?
Repair
NO
YES
NO
YES
Are the outdoor unit
heat exchanger thermistor
characteristics OK, is there
any broken wire?
Defective outdoor unit
heat exchanger
thermistor Replacement
Defective outdoor unit control
PCB Replacement (Defective
outdoor unit heat exchanger
thermistor input circuit)
   
   
  
Thermistor resistance (kΩ)
Error display :
e37
● Display conditions
If the temperature sensed by the thermistor is –50ºC or lower con-
tinuously for 5 seconds between 2 minutes and 2 minutes 20 seconds
after the compressor goes ON, the compressor stops. After a 3 minute
delay, the compressor restarts. If this state is detected 3 times in 40
minutes.
Is the outdoor
air temperature thermistor
connector connection
OK?
Repair
NO
NO
YES
YES
Is the outdoor
air temperature thermistor
characteristics OK, is there
no broken wire?
Defective outdoor air
temperature thermistor
Replacement
Defective outdoor unit control PCB
Replacement (Defective outdoor air
temperature thermistor input circuit)
Outdoor air temperature thermistor (Tho-A)
Resistance temperature charateristics
Temperature (˚C)
Thermistor resistance (kΩ)
15
10
5
010 304020 50
5kΩ at 25°C
● Display conditions
If the temperature sensed by the thermistor is –30ºC or lower continu-
ously for 5 seconds between 2 minutes and 2 minutes 20 seconds after
the compressor goes ON, the compressor stops. After a 3 minute delay,
the compressor restarts. If this state is detected 3 times in 40 minutes.
6
[Defective outdoor air temperature thermistor]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Error display :
e38

Mitsubishi FDCVA302HENR Specifications

General

Brand	Mitsubishi
Model	FDCVA302HENR
Category	Air Conditioner
Language	English