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VLS-GB.indd 25 17-06-2009 15:56:45
Control
Q
Alarms
VLS-GB.indd 24 17-06-2009 15:56:45
Alarm code Description Notes
1
Main board - EPROM Failure
2
Main board - Clock card Failure
3
Main board - External air temperature sensor fault
4
Main board - Return Water temperature sensor fault
5
Main board - Leaving Water temperature sys 1 sensor fault
6
Main board - Leaving Water temperature sys 2 sensor fault
7
Main board - Low pressure sys 1 sensor fault
8
Main board - Low pressure sys 2 sensor fault
9
Main board - High pressure sys 1 sensor fault
10
Main board - High pressure sys 2 sensor fault
11
Main board - Discharge temperature sys 1 sensor fault
12
Main board - Discharge temperature sys 2 sensor fault
13
Main board - Coil Temperature sys 1 sensor fault
14
Main board - Coil Temperature sys 2 sensor fault
15
Flow switch / Interlock / Serious alarm (SQZ)
Only CO/HP
16
Serious alarm (SQZ)
Only RE
17
Flow switch / Interlock
Only RE
20
High pressure switch Sys 1
21
High pressure switch Sys 2
22
Low pressure Sys 1 switch manual reset
23
Low pressure Sys 2 switch manual reset
24
Thermal protection compressor 1 Sys 1 manual reset
25
Thermal protection compressor 2 Sys 1 manual reset
27
Thermal protection compressor 1 Sys 2 manual reset
28
Thermal protection compressor 2 Sys 2 manual reset
30
Fan Thermal protection manual reset
Only CO/HP
31
Fan Thermal protection Group 1 Sys 1 manual reset
Only RE
32
Fan Thermal protection Group 2 Sys 1 manual reset
Only RE
33
Fan Thermal protection Group 1 Sys 2 manual reset
Only RE
34
Fan Thermal protection Group 2 Sys 2 manual reset
Only RE
35
Low refrigerant cutout Sys 1 manual reset
36
Low refrigerant cutout Sys 2 manual reset
37
Low pressure alarm Sys 1 manual reset
38
Low pressure alarm Sys 2 manual reset
39
Out of envelope Sys 1 manual reset
40
Out of envelope Sys 2 manual reset
41
High pressure Sys 1 manual reset
42
High pressure Sys 2 manual reset
43
High limit discharge temperature Sys1 manual reset
44
High limit discharge temperature Sys2 manual reset
45
∆T Water Too High Sys1
46
∆T Water Too High Sys2
47
Wrong Water Trend Sys1
48
Wrong Water Trend Sys2
49
Antifreeze alarm Sys 1 manual reset
50
Antifreeze alarm Sys 2 manual reset
51
Antifreeze alarm Recovery manual reset
52
Pump maintenance
53
Compressor 1 Sys 1 maintenance
54
Compressor 2 Sys 1 maintenance
56
Compressor 1 Sys 2 maintenance
57
Compressor 2 Sys 2 maintenance
59
Driver 1 LAN disconneted
60
Driver 2 LAN disconneted
61
EPROM Error Driver 1
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