Service Manual

27
Installation and Maintenance
Service Manual
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Name of malfunction
7KHLQGLFDWRUGLVSOD\ Indoor display
<HOORZOLJKW 5HGOLJKW *UHHQOLJKW
Compressor runs )ODVKRQFH
Defrost )ODVKWZLFH H1
Anti-freezing protection )ODVKWLPHV E2
IPM protection )ODVKWLPHV H5
AC over-current protection )ODVKWLPHV E5
Over-burden protection )ODVKWLPHV H4
&RPSUHVVRUH[KDXVWKLJKWHPSHUDWXUHSURWHFWLRQ )ODVKWLPHV E4
Compressor overload protection )ODVKWLPHV H3
Power protection )ODVKWLPHV L9
EEPROM reads and write protection )ODVKWLPHV
Low PN voltage protection )ODVKWLPHV PL
Over voltage protection for PN )ODVKWLPHV PH
3)&SURWHFWLRQ )ODVKWLPHV HC
3)&PRGXOHWHPSHUDWXUHSURWHFWLRQ )ODVKWLPHV oE
Low pressure protection )ODVKWLPHV E3
+LJKSUHVVXUHSURWHFWLRQ )ODVKWLPHV E1
/LPLWGHFOLQHIUHTXHQF\HOHFWULFFXUUHQW )ODVKWLPHV
)UHTXHQF\OLPLW
(
H[KDXVW )ODVKWLPHV
)UHTXHQF\OLPLW2YHUEXUGHQ )ODVKWLPHV
Outdoor ambient sensor malfunction )ODVKWLPHV )
Outdoor tube sensor malfunction )ODVKWLPHV )
([KDXVWVHQVRUPDOIXQFWLRQ )ODVKWLPHV )
$WWDLQWKHWHPSHUDWXUHRIVZLWFKRQ )ODVKWLPHV
)UHTXHQF\OLPLWSRZHU )ODVKWLPHV
Outdoor fan malfunction )ODVKWLPHV
)UHTXHQF\OLPLW3)&PRGXOHWHPSHUDWXUH )ODVKWLPHV
3)&PRGXOHVHQVRUPDOIXQFWLRQ )ODVKWLPHV oE
/LTXLGSLSHWHPSHUDWXUHVHQVRUPDOIXQFWLRQRI$ )ODVKWLPHV
Gas pipe temperature sensor malfunction of A )ODVKWLPHV
/LTXLGSLSHWHPSHUDWXUHVHQVRUPDOIXQFWLRQRI% )ODVKWLPHV
Gas pipe temperature sensor malfunction of B )ODVKWLPHV
/LTXLGSLSHWHPSHUDWXUHVHQVRUPDOIXQFWLRQRI& )ODVKWLPHV
Gas pipe temperature sensor malfunction of C )ODVKWLPHV
/LTXLGSLSHWHPSHUDWXUHVHQVRUPDOIXQFWLRQRI' )ODVKWLPHV
Gas pipe temperature sensor malfunction of D )ODVKWLPHV
/LTXLGSLSHWHPSHUDWXUHVHQVRUPDOIXQFWLRQRI( )ODVKWLPHV
Gas pipe temperature
sensor malfunction of E )ODVKWLPHV
([LWRIWKHFRQGHQVHUWXEHVHQVRUPDOIXQFWLRQ )ODVKWLPHV
Correspondence is normal
)ODVK
WLPHVQ LQGRRUXQLW
number)
Communication failure between indoor unit and
outdoor unit
2IWHQEULJKW
(
indoor unit all Communication failure)
Indoor ambient sensor malfunction )
Indoor evaporate sensor malfunction )
0RGHFRQÀLFW E7
$FFHSWÀXRULQHPRGH )R
Jumper cap malfunction protection C5
9.1 Malfunction Indicator
9. Troubleshooting