Carrier CDII-184R1-0CTR4 Installation & Operation Manual page 58

Over current at steady state (Software trip)
Over current at deceleration state (Software trip)
Compressor connected loss
Communication time out error
Power module over temperature
Emergency switch active
Abnormal condition
Internal memory error
FAULT AT Communication Port
Wire Open at Indoor PCB
Indoor Wire Short at Indoor PCB
PCB Reverse connection at Indoor PCB
Indoor PCB power OFF
Wire Open at Outdoor PCB
Outdo
Wire Short at Outdoor PCB
or
Reverse connection at Outdoor PCB
PCB
Outdoor PCB power OFF
Wire Open at Drive
Wire Short at Drive
Drive
Reverse connection at Drive
Drive power OFF
Indoor PCB MCU damage
MCU Outdoor PCB MCU damage
Corded Remote MCU damage
b.
22 HP only
Code
A1
A0
A2
A3
A4
A5
A6
A7
A8
AB
Table – 8
Table – 9
Description of IDU Errors
Indoor-1 Freeze
Indoor Room Sensor Temp. Short/Open
Indoor -1 Inlet Sensor Temp. Short/Open
Indoor -1 Midlet Sensor Temp. Short/Open
Indoor -1 Outlet Sensor Temp. Short/Open
Indoor-2 Freeze
Indoor -2 Inlet Sensor Temp. Short/Open
Indoor-2 Midlet Sensor Temp. Short/Open
Indoor -2 Outlet Sensor Temp. Short/Open
Data log memory full
58
0C
0d
0E
0F
10
1E
28
80 - 82 80 - 82
Display at
Corded Outdoor PCB
remote
bE bE
bE bE
bE bE
Blank bE
bE bE
bE bE
bE bE
bE Blank
bd bd
bE bE
bd bd
bd bd
CE bE
bE NA
NA NA
0C
0d
0E
0F
10
1E
28