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If the unit operates normally
before malfunction
Check built-in wiring
of indoor and outdoor
unit
If the wiring is
damaged?
Replace the
wire
Check the malfunction
type with communication
malfunction detector
Malfunction of outdoor
communication circuit
Replace outdoor
mainboard AP1
Replace indoor
mainboard AP2
Is the malfunction
eliminated?
Is the malfunction
eliminated?
End
Check the connection
wire according to the
wiring diagram.
Reconnect the wire or
replace the connection
wire according to the
wiring diagram.
Is the malfunction
eliminated?
If the connection wire
is connected well?
Summary of Contents for MATRIX ASH-18AIM PT
Page 1: ...SERVICE MANUAL ASH 18AIM PT ASH 24AIM PT MATRIX SERIE ...
Page 2: ......
Page 85: ...PARTS GUIDE MATRIX SERIE ASH 18AIM PT ASH 24AIM PT ...
Page 87: ...ASH AIM PT ...
Page 89: ...84 ASH AIM PT ...
Page 91: ...86 ASH 18AIM PT ...
Page 93: ...88 ASH 24AIM PT ...
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