5.REFRIGERANT SYSTEM DIAGRAM
9.SERVICE FLOW CHART
43
Running and standby
indicator light up(#3)
Comprssor over hot
protection
No
Outdoor control board
trouble and replace it
Replace the OLP
No
Yes
Normal
protection
Yes
Yes
Replace
discharging
sensor
No
Standby and timer
indicator light up(#6)
Over current trouble
No
Outdoor wave filter
board trouble and
replace it
Outdoor control
board trouble
No
Yes
Normal
protection
Yes
Yes
No
Yes
Occur by chance
High power,running and timer
indicator light up(#7)
None load trouble
No
Wave filter board
trouble and replace it
IPM trouble and
replace it
No
Yes
Yes
No
Yes
Compressor
trouble
Outdoor wave filter board
trouble and replace it
Outdoor control board
No
Yes
High power indicator
lights up(#8)
Voltage of power supply
is abnormal
Yes
Outdoor control
board trouble and
replace it
No
Normal protection
Is the OLP of
comprssor open
circuit?
Is the resistance
of compressor
discharging
sensor correct?
Swich off and
start up again,Is
it ok?
Is the operating
current beyond
Normal range?
Is the surface of
compressor very hot?
Swich off and
start up
again,Is it ok?
Replace the
outdoor control
board,Is it ok?
Replace the
outdoor control
board,Is it ok?
Is the voltage of
power supply Normal?
Is the voltage of
between IPM and
P¡¢ N
cor r e
c
t ?
Do there have
voltage output
between IPM and UVW?
Is the compressor
running?
Содержание KFR-2501G/Y2BPE
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