System test
Inverter board alarm codes (only for 30AWH012_)
Troubles of the inverter can be diagnosed by LED
unit. Utilize them for various checks.
LED indication
D800
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D800 O: Red
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t: Flashing
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l: Off
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ô
: On
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Board position
Fig. 16
Legend:
C Installation terminal strip
12
30AWH
Cycle control P.C. board
LED indication
D801
D802
D803
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ô
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ô
ô
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ô
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ô
ô
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ô
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ô
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ô
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ô
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t
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OFF position.
Heat exchanger sensor (TE) error
Suction sensor (TS) error
Hot gas discharge sensor (TD) error
High-pressure protection error
Outdoor air temperature sensor error (TO)
Outdoor motorised fan error DC
High-pressure release operation
Discharge temp. error: hot gas is too high
G-Tr short-circuit protection
Detect circuit error
Current sensor error
Comp. lock error
Comp. break down
(Fig. 16)
Cause