Carrier 80AWX Series Installation Manual page 34

Maintenance
Error
Item
code
G-Tr short circuit
18
protection
Position
20 Detection Circuit
Error
Current Sensor
21
Error
Outdoor Heat
22 Exchange Sensor
(TE) / (TS)
Discharge
Temperature
23
Sensor
(TD)
Outdoor Fan
24
Error
Other Outdoor
26
Error
27 Compressor Lock
Discharge
28 Temperature
Error
Compressor
29
Breakdown
Other inverter
30
board error
High
31 Temperature
Release
70 Configuration
80AWX- 80AWH
34
Failure when
Inverter over-
current protective
circuit operates. Outdoor unit stops
Short circuit Domestic water valve OFF if code
voltage protection 127=1
of main circuit
operates
Position detection
circuit operates
when the Outdoor unit stops
compressor is Domestic water valve OFF if code
operating despite 127=1
removal of 3P
connector.
Current detection
circuit error:
• Current value
Outdoor unit stops
at AC side is high
Domestic water valve OFF if code
when compressor
127=1
is OFF
• Phase of power
supply is missing
Outdoor unit stops
Value out of range Domestic water valve OFF if code
127=1
Outdoor unit stops
Value out of range Domestic water valve OFF if code
127=1
Defective
detection of
position
Operation of Outdoor unit stops
outdoor fan over- Domestic water valve OFF if code
current protection 127=1
circuit
Outdoor fan
locked
Outdoor unit stops
Domestic water valve OFF if code
127=1
Defective cabling
Outdoor unit stops
of compressor
Domestic water valve OFF if code
127=1
Compressor fault
Outdoor unit stops
Error of discharge
Domestic water valve OFF if code
temperature
127=1
Abnormal Outdoor unit stops
compressor Domestic water valve OFF if code
operation 127=1
Outdoor unit stops
Domestic water valve OFF if code
127=1
Outdoor unit stops
Domestic water valve OFF if code
127=1
User interface fault codes
Code 104 not
equal to 242 or Communication is disabled
243 or 244
Consequences Diagnostics and solutions
Check Outdoor unit board for cabling
error
Replace Outdoor unit board
Check outdoor unit board.
Check 3 phase power voltage and
cables
Check sensor, wiring and electrical
connections
Check sensor, wiring and electrical
connections
Check outdoor fan
Check outdoor unit board
Check 3 phase compressor power
cables
Replace compressor
Check for refrigerant gas leaks
Check PMV operation
Check TD sensor operation
Check power supply: AC 220 V +/-10%
Overload operation of refrigerating
cycle
Check current detection circuit at
AC side
Check outdoor temperature sensor TE
in the Outdoor unit
Check Outdoor unit board
Change setting of code 104.