Johnson Controls YJHJXH024BARR-FX, Service Manual

Page: 79 / 123

Service Diagnosis
Domestic Air Conditioner
76
Yes
7.3.12 Over-current of the compressor
2XWGRRU'LVSOD\
LED1 flash 3 or 24 or 25 times
0HWKRGRI
The current of the compressor is too high
0DOIXQFWLRQ
'HWHFWLRQ
0DOIXQFWLRQ
when the IPM Module is damaged
'HFLVLRQ RU
the compressor is damaged
&RQGLWLRQV
power supply. voltage is too low or too high
6XSSRVHG
Ƶ
Faulty IPM Module
&DXVHV
Ƶ
Faulty compressor
Ƶ
Faulty power supply
7URXEOHVKRRWLQJ &DXWLRQ
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Yes
IPM Module is damaged
and needs replacing.
The compressor is started normally,
but malfunctions are reported after it
has run for some time. Check the
power supply. If the voltage is too low
or too high
Repair the power supply
No
Electrify the machine again and
turn it on with the remote
controller,If malfunctions are
reported before or upon the
compressor being started up,
YJHJZH024BARRAFX -SM