Troubleshooting - Outdoor Unit Related
Si18-201
270
Service Diagnosis
3.3.8
Malfunction of High Pressure Switch System
Outdoor Unit
Indication
H3
Method of
Malfunction
Detection
Continuity of high pressure switch is detected by the safety device circuitry.
Malfunction
Decision
Conditions
When the compressor is off, and the high pressure switch doesn't have continuity.
Supposed
Causes
"
Faulty high pressure switch
"
Disconnection of high pressure switch harness
"
Faulty connectors connection of high pressure switch
Troubleshooting
Check the following after
letting rest for 10 minutes.
YES
Correct the connection.
Replace HPS without
continuity.
*Normal resistance is 10
Ω
or less.
Replace outdoor unit PC
board.
Are HPS
connectors for control
and safety correctly connected
to outdoor unit PC
board?
Do the HPS's
for control and safety have
continuity?
(MF027)
NO
YES
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for BPMK928B42
Page 9: ...Si18 201 viii Table of Contents ...
Page 71: ...Specifications Si18 201 58 Specifications ...
Page 206: ...Si18 201 Remote Controller Operations 193 1 1 2 FVX25 35KZ ...
Page 207: ...Remote Controller Si18 201 194 Operations 1 1 3 FTXD25 35KZ ...
Page 208: ...Si18 201 Remote Controller Operations 195 1 1 4 FTK FTX50 60H ...
Page 209: ...Remote Controller Si18 201 196 Operations 1 1 5 FTKD FTXD50 60 71J ...
Page 214: ...Si18 201 Remote Controller Operations 201 ...
Page 216: ...Si18 201 Remote Controller Operations 203 ...
Page 217: ...Remote Controller Si18 201 204 Operations ...
Page 237: ...Method of Field Set Si18 201 224 Operating Test ...
Page 262: ...Si18 201 Troubleshooting SkyAir Indoor Unit Service Diagnosis 249 ...
Page 393: ...Wiring Diagrams Si18 201 380 Appendix FHYC35 50 60 71KVE9 3D005668C ...
Page 394: ...Si18 201 Wiring Diagrams Appendix 381 FHYC35 50 60 71KV1C9 ...
Page 395: ...Wiring Diagrams Si18 201 382 Appendix FDYM60 03FAV1 FDYM60 03FAVAL C 3D019816D OPTION ...
Page 396: ...Si18 201 Wiring Diagrams Appendix 383 FDYM60 03FAV1C ...