Troubleshooting
SiENBE04-401A
136
Service Diagnosis
Troubleshooting
Check No.4
Refer to P.138
Check No.6
Refer to P.140
Reconnect in position.
Open the stop valve.
Repair the pipe flare or
replace the square union.
Check the power transistor
harness for looseness.
Correct it as required. Also
replace cracked pipe if any.
Check the pipes for
improper contact. Correct
as required. Also replace
cracked pipe if any.
Replace the electronic
expansion valve.
Replace the room
temperature or outdoor air
thermistor, or the indoor
unit or outdoor unit heat
exchanger thermistor.
(1) Replace the PCB.
(2) Replace the compressor.
Procedure complete
(R3318)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Any thermistor
disconnected?
YES
Malfunctioning
NO
Stop valve closed?
NO
YES
YES
NO
Gas shortage error again?
Functioning
Check No. 6
Check the thermistors.
YES
NO
Oil oozing at internal piping?
NO
YES
Check No. 4
Electronic expansion valve
functioning?
YES
NO
Oil oozing at relay pipe
connections?
Check for gas leakage.
Change for a specified amount of
fresh refrigerant.
NO
YES
Compressor vibrating
too much?
* Discharge pipe thermistor
* Indoor / outdoor unit heat exchanger thermistor
* Room temperature thermistor
* Outdoor air thermistor
Содержание ARKH20CAVMB
Страница 19: ...List of Functions SiENBE04 401A 10 List of Functions ...
Страница 20: ...SiENBE04 401A Specifications 11 Part 2 Specifications 1 Specifications 12 1 1 Cooling Only 12 1 2 Heat Pump 20 ...
Страница 45: ...Specifications SiENBE04 401A 36 Specifications ...
Страница 81: ...Control Specification SiENBE04 401A 72 Function and Control ...
Страница 111: ...Instruction SiENBE04 401A 102 System Configuration ...
Страница 155: ...Check SiENBE04 401A 146 Service Diagnosis ...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure ...
Страница 226: ...SiENBE04 401A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219 ...
Страница 229: ...Others SiENBE04 401A 220 Others ...
Страница 239: ...Wiring Diagrams SiENBE04 401A 230 Appendix ...