Si18-201
Troubleshooting - Outdoor Unit Related
Service Diagnosis
263
3.3
Troubleshooting Detail
3.3.1
High Pressure Malfunction
Outdoor Unit
Indication
E3
Method of
Malfunction
Detection
Continuity of the high pressure switch is detected by the safety device circuitry.
Malfunction
Decision
Conditions
When HPS malfunction is generated 4 times, the system shuts down.
(The 4-time counter resets itself when no outdoor unit abnormality occurs within 60-minute
cumulative time after the error generation.)
Supposed
Causes
"
Faulty high pressure switch
"
Disconnection of high pressure switch's harness
"
Faulty connectors connection of high pressure switch
"
Dirty indoor unit heat exchanger
"
Faulty outdoor unit fan
"
Over-charged with refrigerant
"
Motorized valve clogged
Troubleshooting
Check No.1
Refer to P.300
Check No.2
Refer to P.300
Check No.3
Refer to P.301
YES
To E7 Flow Chart
Connect correctly.
Replace HPS without
continuity.
Apply required remedy
subject to the case.
Replace motorized valve if
faulty.
Replace control PC board.
Replace motorized valve if
faulty.
Replace control PC board.
Does the outdoor
unit fan rotate?
Does the warm air
come out?
(MF020)
Check No.1
Check the installation
conditions.
It comes out.
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is HPS correctly
connected?
Turn the power supply off and
check the following after letting the
compressor rest for 10 minutes.
Does the HPS have
continuity?
NO
Check No. 2
Pressure check
Check No. 1
Installation conditions check
YES
Cooling?
Heating
Check No. 3
Motorized valve EVL
check
OK
Check No. 3
Motorized valve EVn
check
OK
Содержание BPMK928B42
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Страница 71: ...Specifications Si18 201 58 Specifications ...
Страница 206: ...Si18 201 Remote Controller Operations 193 1 1 2 FVX25 35KZ ...
Страница 207: ...Remote Controller Si18 201 194 Operations 1 1 3 FTXD25 35KZ ...
Страница 208: ...Si18 201 Remote Controller Operations 195 1 1 4 FTK FTX50 60H ...
Страница 209: ...Remote Controller Si18 201 196 Operations 1 1 5 FTKD FTXD50 60 71J ...
Страница 213: ...Remote Controller Si18 201 200 Operations 1 1 9 FHYC35 50 60 71K Optional Accessory BRC7C612WC ...
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Страница 217: ...Remote Controller Si18 201 204 Operations ...
Страница 234: ...Si18 201 Method of Field Set Operating Test 221 2 3 Interface Adaptor for Room Airconditioner KRP928A1S ...
Страница 237: ...Method of Field Set Si18 201 224 Operating Test ...
Страница 262: ...Si18 201 Troubleshooting SkyAir Indoor Unit Service Diagnosis 249 ...
Страница 393: ...Wiring Diagrams Si18 201 380 Appendix FHYC35 50 60 71KVE9 3D005668C ...
Страница 394: ...Si18 201 Wiring Diagrams Appendix 381 FHYC35 50 60 71KV1C9 ...
Страница 395: ...Wiring Diagrams Si18 201 382 Appendix FDYM60 03FAV1 FDYM60 03FAVAL C 3D019816D OPTION ...
Страница 396: ...Si18 201 Wiring Diagrams Appendix 383 FDYM60 03FAV1C ...