Specifications

-
87
-
Temperature
15
10
5
0°C10°C30°C40°C20°C50°C
5kΩ at 25°C
Is the outdoor
unit heat exchanger
themistor connector
OK?
Repair
NO
YES
NO
YES
Are the outdoor
unit heat exchanger themistor
characteristics OK, is there
any broken wire?
Defective outdoor unit
heat exchanger thermistor
Replacement
Defective outdoor unit PCB
Replacement (Defective
outdoor unit heat exchanger
thermistorinput circuit)
Outdoor unit heat exchanger
thermistor (Th
O- R) Resistance
temperature characteristics
Resistance
(kΩ)
Note (1) 22kΩ at -6°C
4
Defective outdoor unit heat exchanger thermistor
Outdoor unit
Red LED
Green LED
1 time flash
1 time flash
Is the outdoor
air temperature thermistor
connector connection
OK?
Repair
NO
NO
YES
YES
Is the outdoor
temperature thermistor
characteristics OK, is there
no broken wire?
Defective outdoor tempera-
ture thermistor
Replacement
Defective outdoor unit PCB
Replacement (Defective outdoor
temperature thermistor input
circuit)
Temperature
15
5
0°C10°C30°C40°C20°C50°C
5kΩ at 25°C
Outdoor temperature
thermistor (Th O- A) Resistance
temperature characteristics
Resistance
(kΩ)
Note (1) 22kΩ at -6°C
5
Defective outdoor temperature thermistor
Outdoor unit
Red LED
Green LED
2 time flashes
1 time flash