System Test - Carrier 30AWH004H Installation Manual

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
ô
l
ô
l
l
D800 O: Red
ô
ô
l
l
t: Flashing
ô
l: Off
l
t
ô : On
l
t
l
t
Board position
Fig. 16
Legend:
C Installation terminal strip
12 30AWH
Cycle control P.C. board
LED indication
D801 D802 D803
l l l
l l
ô
l l
ô
l
ô ô
l l
ô
l
ô ô
l l
ô
l
ô ô
l
ô ô
l
ô ô
l
ô ô
l l l
t l l
t l l
l t l
l t l
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