SiUS042113E
Troubleshooting
Part 6 Service Diagnosis
113
4.17 Four Way Valve Abnormality
Error Code
EA
Method of Error
Detection
The room temperature thermistor and the indoor heat exchanger thermistor are checked if they
function within their normal ranges in each operation mode.
Error Decision
Conditions
The following condition continues over 1 ~ 10 minutes (depending on the model) after operating for
5 ~ 10 minutes (depending on the model).
Cooling/Dry
A
–
B
< –5°C (
A
–
B
< –9°F)
Heating
B
–
A
< –5°C (
B
–
A
< –9°F)
A
: Room thermistor temperature
B
: Indoor heat exchanger temperature
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
Disconnection of four way valve coil
Defective four way valve, coil, or harness
Defective outdoor unit PCB
Defective thermistor
Refrigerant shortage
Water mixed in refrigerant
Defective stop valve
Содержание FTXM-V Series
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Страница 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
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Страница 165: ...SiUS042113E Piping Diagrams Part 8 Appendix 161 1 2 Outdoor Unit RXM09 12VVJU RXM18VVJU 3D131979 3D132216...
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Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...
