Trane ADAPTIVE CONTROL UCM-CLD Installation Operation & Maintenance page 21

Fault C5
Low Chilled Water Temperature (Unit Off):
Fault C6
Low Chilled Water Temperature (Unit On):
Fault CA
Contactor - Compressor A:
Fault Cb
Contactor - Compressor B:
Fault CC
Contactor - Compressor C:
Fault Cd
Contactor - Compressor D:
Fault d7
Over Voltage:
Fault d8
Under Voltage:
Fault Ed
Chilled Water Flow Interlock:
Fault F5
High Pressure Cutout - Compressor A:
Fault F6
High Pressure Cutout - Compressor B:
Fault Fd
Emergency Stop Input:
Fault 180
Starter Transition - Compressor A:
Fault 181
Starter Transition - Compressor B:
Fault 182
Starter Transition - Compressor C:
Fault 183
Starter Transition - Compressor D:
Fault 184
Phase Reversal - Compressor A:
Fault 185:
Phase reversal - Compressor B
Fault 186
Phase reversal - Compressor C:
Fault 187
Phase reversal - Compressor D:
Fault 190
Low Superheat - Circuit 1:
IFW - Antifreeze protection
MAR - Antifreeze protection
MMR - Welded compressor contactor
MMR - Welded compressor contactor
MMR - Welded compressor contactor
MMR - Welded compressor contactor
MAR - Voltage 10% > nominal
MAR - Voltage 10% < nominal
MAR - Flow switch open more than 6 seconds
MMR - High pressure too high
MMR - High pressure too high
MMR - Emergency stop input open
CMR 1) Transition proof signal not received
2) Proof input shunted
CMR 1) Transition proof signal not received
2) Proof input shunted
CMR 1) Transition proof signal not received
2) Proof input shunted
CMR 1) Transition proof signal not received
2) Proof input shunted
CMR - Phase reversed
CMR - Phase reversed
CMR - Phase reversed
CMR - Phase reversed
CMR - Superheat < 1°C during more than
1333°C x seconds
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