Carrier CDII-184R1-0CTR4 - Page 56

56
Power Supply Open at
FCU PCB
Check voltage on power connector
"P2" as well as voltage on mains
using multimeter on AC mode.
Check harness using. Multimeter on
continuity mode.
Corded Remote
open/short/ reverse
connection
Check the wiring of remote with
Multimeter on continuity mode with
PCB.
Check connector soldering on PCB.
If still problem persists Check color
code of wire with marking mentioned
on PCB in reverse condition.
Communication wire
Open/short/ reverse
connection at FCU PCB
bd
CE
BD
Check connection on all PCB. Check
connector on PCBs.
Table - 4
Unit
Description
On
corded
remote
On CDU
On PC
Fault at Drive
Software
trip
Fin Overheat
01
01
01
Overcurrent at
deceleration state
0d
0d
0d
Overcurrent at steady state
0C
0C
0C
Overload trip (OL)
0b
0b
0b
Compressor overheat
07
07
07
Overcurrent at acceleration
state
0A
0A
0A
Hardware
trip
Overcurrent at acceleration
state
02
02
02
Overcurrent at deceleration
state
04
04
04
Overcurrent at steady state
03
03
03
DC bus under voltage (UL)
05
05
05
Compressor connected loss
0E
0E
0E
Communication time out error
0F
0F
0F
Power module over temperature
10
10
10
Emergency switch active
1E
1E
1E
Abnormal condition
28
28
28
Internal memory error
80-82
80-82
80-82
DC bus under voltage (OU)
06
06
06
Table - 5