Si18-201
Troubleshooting - Outdoor Unit Related
Service Diagnosis
285
Troubleshooting
Check No.1
Refer to P.300
Check No.2
Refer to P.300
Check No.6
Refer to P.303
Check No.7
Refer to P.304
Check if the abnormality is
re-generated when turning
the power supply off and then
back on to restart.
YES
Fully open stop valve.
Can be used as is.
(
∗
Monitering may be required)
Check connectors of
electric components.
Replace outdoor unit PC
board.
Replace outdoor unit PC
board.
Correct power supply.
Replace compressor.
Is it re-generated?
Is it within the rating?
(MF041)
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check NO. 6
Power transistor check
Is it normal?
NO
Power supply voltage check
YES
*Output overcurrent will be generated due to incorrect connection of internal wiring.
When the operation is halted due to output overcurrent after connecting/disconnecting
the wiring for replacement of parts, etc., check the wiring again.
Is the stop valve
fully opened?
NO
YES
Do a long-term observation on
power supply voltage, discharge
/ sunction pressures, etc..
Possible causes
n
Momentary supply voltage drop
n
Excessive load on compressor
motor
n
Shorting in electric circuit due
to contact
Check NO. 7
Power transistor output check
Do respective
phases,U,V,W, output in
good balance?
NO
YES
YES
Short-circuit
or disconnection between
coil phases of
compressor
YES
NO
Check No. 2
Discharge pressure check
Check No. 1
Installation status check
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 ...
Страница 214: ...Si18 201 Remote Controller Operations 201 ...
Страница 216: ...Si18 201 Remote Controller Operations 203 ...
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 ...