System Test - Carrier Aqua SNAP PLUS Manuel D'installation

System test

Inverter board alarm codes (only for 38AWH012_)
Troubles of the inverter can be diagnosed by LED
indications on the cycle control P.C. board of the outdoor
unit. Utilize them for various checks.
LED indication and code checking
LED indication
D800




D800 O: Red


D801 O: Yellow

D802 O: Yellow

D803 O: Yellow

: Flashing

: Off

: On






Board position
Fig. 16
Legend:
A Position 4 LED Inverter Diagnostics Board (38AWH012_ only)
B Position LED GMC Diagnostics Board
C Installation terminal strip
Cycle control P.C. board
LED indication
D801 D802 D803
  
 

 


 
 


 
 


 

 

 

 
  
  
  
  
  
Before a check, confirm each bit of the DIP switch is set to
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
Communication error between IPDU (Abnormal stop)
High-pressure release operation
Discharge temp. error: hot gas is too high
EEPROM error
Communication error between IPDU (No abnormal stop)
G-Tr short-circuit protection
Detect circuit error
Current sensor error
Comp. lock error
Comp. break down
(Fig. 16)
Cause
30AW 11