Table of Contents
Advertisement
Table 21. Chiller / Compressor alarms / Faults listing
Description
Code
A01
Main switch
A02
Refrigerant NOT selected: Select,
Restart
A03
Evaporator flow switch alarm
A04
Condenser flow switch alarm
A05
Communication fault
A07
Entering chilled water sensor alarm
A08
Leaving chilled water sensor alarm
A09
Liquid temperature alarm
A10
Entering water pressure alarm
A11
Leaving water pressure alarm
A13
Outside air sensor alarm
A14
Suction pressure 1 transmitter
alarm
A15
Discharge pressure 1 transmitter
alarm
A18
LP 1 cutout alarm
A20
HP 1 cutout alarm
A30
Low water temperature
A31
Low To (saturated suction
temperature)
A32
High discharge pressure
A33
High pressure ratio
A34
Warning: Low water temperature
A35
Warning: Low To (saturated suction
temp.)
A36
Warning: High discharge pressure
A37
Warning: High pressure ratio
A53
General DI alarm 1
A54
General DI alarm 2
A55
General DI alarm 3
A56
General DI alarm 4
A57
General DI alarm 5
A58
General DI alarm 6
A59
General DI alarm 7
A60
General DI alarm 8
A61
General DI alarm 9
A62
General DI alarm 10
A74
Compressor 1 interlock activated
A75
Compressor 2 interlock activated
ARTC-SVX007A-EN
Reset
(a)
Period
(b)
Start-up
-1
0
25
0
60
0
5
60
45
-1
60
10
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
10
-1
0
100
-1
0
100
-1
0
100
-1
0
10
-1
0
100
-1
0
100
-1
0
100
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
-1
0
0
Alarm
Active
(c)
Steady
(d)
in Off
(e)
Relay
0
X
0
X
5
5
0
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
sa9
X
sa9
X
sa9
X
sa9
X
20
0
0
0
0
0
0
0
0
0
0
0
Chiller Troubleshooting
Warning
Compressors
(f)
Relay
(g)
X
INTERLOCK
X
INTERLOCK
X
INTERLOCK
X
OFF
X
INTERLOCK
X
-
X
-
X
-
X
-
X
-
X
-
X
-
X
-
X
INTERLOCK
X
INTERLOCK
X
-
X
-
X
-
X
-
X
-
X
-
X
-
X
-
OFF
-
-
-
-
-
-
-
-
-
X
-
X
-
(h)
67
Advertisement
Table of Contents
