![background image](http://html1.mh-extra.com/html/daikin/ftks20cvmb/ftks20cvmb_service-manual_3264185130.webp)
SiENBE04-401A
Troubleshooting
Service Diagnosis
121
Troubleshooting
Check No.5
Refer to P.139
Check No.6
Refer to P.140
Check No.11
Refer to P.143
Correct.
Reconnect.
Replace the four way valve
coil.
Replace the outdoor unit
PCB.
Reconnect in position.
Replace a defective
thermistor.
Refer to the refrigerant line
check procedure.
Replace the four way valve
(defective or dust-clogged).
(R3040)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Four way valve coil
disconnected (loose)?
YES
YES
NO
Functioning
NO
C
heck No.
11
Check the refrigerant line.
Malfunctioning
z
Insufficient gas
z
Water mixed
z
Stop valve defective
Harness out of connector?
NO
YES
Disconnect the
harness from
the connector.
Resistance between
harnesses about
3k
Ω
±0.5k
Ω
?
Malfunctioning
Functioning
C
heck No.
5
Check the four way valve
switching output.
YES
NO
Any thermistor disconnected?
Malfunctioning
Functioning
C
heck No.
6
Check the thermistors.
Check the continuity of the four
way valve coil and harness.
Содержание FTKS20CVMB
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...