Trane ADAPTIVE CONTROL UCM-CLD Installation Operation & Maintenance page 22

Fault 191
Low Superheat - Circuit 2:
Fault 194
Low Evaporator Refrigerant Temperature. - Circuit 1:
Fault 195
Low Evaporator Refrigerant Temperature. - Circuit 2:
Fault 198
Low Oil Flow - Compressor A:
Fault 199
Low Oil Flow - Compressor B:
Fault 19A
low Oil Flow - Compressor C:
Fault 19b
Low Oil Flow - Compressor D:
Fault 19C
Phase Loss - Compressor A:
Fault 19d
Phase Loss - Compressor B:
Fault 19E
Phase Loss - Compressor C:
Fault 19F
Phase Loss - Compressor D:
Fault 1A0
Power Loss - Compressor A:
Fault 1A1
Power Loss - Compressor B:
Fault 1A2
Power Loss - Compressor C:
Fault 1A3
Power Loss - Compressor D:
Fault 1A4
Tracer Communication Loss:
Fault 1A5
Oil Flow Control - Compressor A:
Fault 1A6
Oil Flow Control - Compressor B:
Fault 1A7
Oil Flow Control - Compressor C:
Fault 1A8
Oil Flow Control - Compressor D:
Fault 1A9
Electronic expansion valve Electric Drive Circuit
- Refrigerant Circuit 1:
CMR - Superheat < 1°C during more than 1333°C x seconds
CMR - Refrigerant temperature < setpoint during more than
30°C x seconds
CMR - Refrigerant temperature < setpoint during more than
30°C x seconds
CMR - Oil flow switch open during more than 20 seconds
CMR - Oil flow switch open during more than 20 seconds
CMR - Oil flow switch open during more than 20 seconds
CMR - Oil flow switch open during more than 20 seconds
CMR - Loss of 1 or more phases
CMR - Loss of 1 or more phases
CMR - Loss of 1 or more phases
CMR - Loss of 1 or more phases
CAR - Loss of all three phases in operation
CAR - Loss of all three phases in operation
CAR - Loss of all three phases in operation
CAR - Loss of all three phases in operation
IFW - Loss of external information
CMR - Problem on oil circuit
CMR - Problem on oil circuit
CMR - Problem on oil circuit
CMR - Problem on oil circuit
CMR 1) Electronic expansion valve wiring
2) Defective UCM
3) Defective Electronic expansion valve
4) Defective Electronic expansion valve relay
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