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Chiller Troubleshooting
Table 28. Chiller/Compressor alarms/Faults listing (continued)
Description
Code
Enable
General DI alarm
A62
10
A63
General AI alarm 1
A64
General AI alarm 2
A65
General AI alarm 3
A66
General AI alarm 4
A67
General AI alarm 5
A68
General AI alarm 6
A69
General AI alarm 7
A70
General AI alarm 8
A71
General AI alarm 9
General AI alarm
A72
10
Common interlock
A73
activated
Compressor 1
A74
interlock activated
Compressor 2
A75
interlock activated
Compressor 3
A76
interlock activated
Compressor 4
A77
interlock activated
Compressor 5
A7a
interlock activated
Compressor 6
A7b
interlock activated
General heaters
A78
protection alarm
A79
Heat Trace alarm
Heater 2
A80
protection alarm
Heater 3
A81
protection alarm
Heater 4
A82
protection alarm
Evap. Condenser
A83
water level
Evap. Condenser
A84
heaters
78
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
0
-1
0
1
-1
0
1
-1
0
1
-1
0
1
-1
0
0
0
0
0
0
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Alarm
Warning
Circuit
Relay
Realy
System
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
NO
NO
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
X
SYSTEM
Compressor
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ARTC-SVX014A-EN
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