AS24GS1/2ERA 1U24GS1ERA-SM Service Diagnosis
Domestic Air Conditioner
74
7.3.10 Power Supply Over or under voltagve fault
W)B((-/BC.L4EJ// //
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5#\
(G,B((-/BC.L4EJ? LED1 flash 6 times
8*,A(B/(K/
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An abnormal voltage rise or fall is detected by checking the specified voltage detection +C-+GC,I
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8E4KG)+,C()/
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=*,*+,C()
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8E4KG)+,C()
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An voltage signal is fed from the voltage detection circuit to the microcomputer
=*+C.C()/
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"()BC,C()./
&GLL(.*B
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Supply voltage not as specified
"EG.*.
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the IPM module is broken
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the outdoor PCB is broken
T-(GM4*.A((,C)D/// /
X/"EG,C()/ /
Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
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!M(G,/A(R/,(/+A*+V/,A*/W08/F(BG4*UL4*E.*/-*K*-/,(/W08/L-(,*+,C()/KEG4,/
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This question may be caused by the
power
Change the new one
Change the outdoor PCB
Check the power supply
Is it rated power?
No
Yes
Check the IPM
module
Is it normal?
No
Yes
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