Data Sheet for Product

Page 6 of 8 Siemens Building Technologies, Inc.
Document No. 127-0027
Table 5. Current Fault Status (Point 49).
Value Description
0 No Fault
1 Liquid Line Sensor Failure
2 Entering Evaporator Water Sensor Failure – Warning
3 Leaving Condenser Water Sensor Failure
4 Low Discharge Superheat
5 High Discharge Superheat
6 Entering Evaporator Water Sensor Failure – Problem
7 Outside Air Temperature Sensor
8 Low Evaporator Pressure – No Load
9 Low Evaporator Pressure – Unload
10 High Discharge Temperature Load
11 Condenser Freeze Protection
12 Evaporator Freeze Protection
13 Evaporator Pump 1 Failure
14 Evaporator Pump 2 Failure
15 Condenser Pump 1 Failure
16 Condenser Pump 2 Failure
17 Compressor Vanes Open at Startup
18 Low Evaporator Pressure
19 Low Oil Differential Pressure
20 Low Oil Feed Temperature
21 High Oil Feed Temperature
22 Low Compressor Motor Current
23 High Discharge Temperature
24 High Condenser Pressure
25 Mechanical High Condenser Pressure
26 High Compressor Motor Temperature
27 Surge-high Suction Superheat
28 Compressor Motor
29 No Evaporator Water Flow
30 No Compressor Water Flow
31 High Compressor Motor Current
32 Compressor Motor Starter Fault
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