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Chiller Troubleshooting
Table 28. Chiller/Compressor alarms/Faults listing (continued)
Description
Code
Enable
TC3 AC - Lock out
a3C
Fault
TC3 AC - Motor
a3D
Thermistor
TC3 ANC - Super
a3E
Heat
TC3 AC - Eart
a3P
Leakage Fault
TC3 AC - Soft
a3Q
Start Fault
TC3 ANC -
Inverter
a3F
Temperature
TC3 ANC -
a3G
Discharge Temp
TC3 ANC -
a3H
Suction Pressure
TC3 ANC -
a3I
Discharge
Pressure
TC3 ANC - 3
a3J
Phase Current Trip
TC3 ANC - Shaft
Cavity
a3K
Temperature
TC3 ANC -
a3L
Leaving Water
TC3 ANC - Total
a3M
Compression
Ratio Fault
TC3 ANC - SCR
a3N
Temperature
TC3 ANC - Super
a3O
Heat
TC3 ANC -
a3X
EEPROM
checksum error
TC3 AC Generator
a3Y
mode
TC4
aC4
communication
error
TC4 AC - Inverter
a41
Temperature
TC4 AC -
a42
Discharge Temp
TC4 AC - Suction
a43
Pressure
TC4 AC -
a44
Discharge
Pressure
TC4 AC - 3 Phase
a45
Current Trip
TC4 AC - Shaft
Cavity
a46
Temperature
TC4 AC - Leaving
a47
Air /Water
TC4 AC - Total
a48
Compression
Ratio Fault
82
Start-Up
Reset
Period
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
Active in
Steady
Off
0
0
X
0
0
X
0
0
X
0
0
0
0
0
0
X
0
0
X
0
0
0
0
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
0
0
0
0
Compressor #4
0
0
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
0
0
X
Alarm
Warning
Circuit
Relay
Realy
System
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
NO
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
Compressor
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ARTC-SVX014A-EN
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