Data Sheet for Product

Page 6 of 8 Siemens Building Technologies, Inc.
Document No. 127-0023
Table 4. Alarms (Points 34 through 37).
Value
Description for
CR2-M1xx
Description for
CR2-M2xx
25

Bad Voltage Ratio Sensor (Cleared)
26

Bad Evaporator Leaving Temperature
Sensor (Cleared)
128

Compressor Warning (Active)
129 High Condenser Pre-alarm Hold Stage
(Active)
High Condenser Pre-alarm Hold Stage
(Active)
130 High Condenser Pre-alarm Stage-down
(Active)
High Condenser Pre-alarm Stage Down
(Active)
131 Freeze Refrigerant Pre-alarm Stage-
down (Active)
Freeze Refrigerant Pre-alarm Stage
Down (Active)
132 Loss of Chilled Water Flow (Active) Loss of Chilled Water Flow (Active)
133 No Pump-down (Active) No Pump-down (Active)
134 Refrigerant Freeze Protect (Active) Low Evaporator Pressure (Active)
135 Low Evaporator Pressure (Active) Failed Pre-purge (Active)
136 Compressor 4 Motor Protect (Active) Failed Low Ambient Start (Active)
137 Compressor 3 Motor Protect (Active) Refrigerant Freeze Protect (Active)
138 Compressor 2 Motor Protect (Active) Low Evaporator Pressure (Active)
139 Compressor 1 Motor Protect (Active) Compressor 2 Bad Suction Temperature
(Active)
140 Compressor 4 Low Oil Pressure (Active) Compressor 1 Bad Suction Temperature
(Active)
141 Compressor 3 Low Oil Pressure (Active) Compressor 2 Motor Protect/Very Low
Pressure (Active)
142 Compressor 2 Low Oil Pressure (Active) Compressor 1 Motor Protect/Very Low
Pressure (Active)
143 Compressor 1 Low Oil Pressure (Active) Compressor 4 Low Oil Pressure (Active)
144 High Condenser Pressure (Active) Compressor 3 Low Oil Pressure (Active)
145 Mechanical High Pressure (Active) Compressor 2 Low Oil Pressure (Active)
146 Bad Evaporator Pressure Sensor
(Active)
Compressor 1 Low Oil Pressure (Active)
147 Bad Condenser Pressure Sensor
(Active)
High Condenser Pressure (Active)
148 Bad Phase/Volts (Active) Mechanical High Pressure (Cleared)
149 Chilled Water Freeze Protect (Active) Bad Evaporator Pressure Sensor (Active)
150 Bad Voltage Ratio Sensor (Active) Bad Condenser Pressure Sensor (Active)
151 Bad Evaporator Leaving Temperature
Sensor (Active)
System Alarm/Bad Phase/Volts (Active)
continued on next page...