Si18-201
Troubleshooting - Outdoor Unit Related
Service Diagnosis
269
3.3.7
LP Drop Error
Outdoor Unit
Indication
FC
Method of
Malfunction
Detection
When the value of LP sensor was kept at lower level for a certain time range after the certain
time range passed since the compressor started.
Malfunction
Decision
Conditions
When the value of LP sensor was kept at 0kg/cm² · G or less for a certain time range after
TLPGD period
(15 seconds when cooling, 150 seconds when heating) passed since the compressor started.
Supposed
Causes
"
Malfunction of LP sensor
"
Faulty contact of LP sensor connector
"
Gas shortage
"
Heating operation under low outside air temperature beyond the operative area
Troubleshooting
Start
Check LP sensor
connectors.
Check stop valve.
Charge with the proper
amount of refrigerant.
Use as it is.
Is the gas lacking?
(MF026)
NO
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Make sure of LP sensor
connector connection.
Is it normal?
NO
Is the stop valve open?
YES
YES
NO
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 ...