Trane UCM-CLD - Diagnostic Codes - Faults 180 to 1 A9

Diagnostics
RLC-SVU02F-E418
Default description
Displayed Code Type Description
Fault 180
Starter Transition - Cprsr A : CMR 1) Transition proof signal not received
2) Proof input shunted
Fault 181
Starter Transition - Cprsr B : CMR 1) Transition proof signal not received
2) Proof input shunted
Fault 182
Starter Transition - Cprsr C : CMR 1) Transition proof signal not received
2) Proof input shunted
Fault 183
Starter Transition - Cprsr D : CMR 1) Transition proof signal not received
2) Proof input shunted
Fault 184
Phase Reversal - Cprsr A : CMR - Phase reversed
Fault 185 :
Phase reversal - Cprsr B CMR - Phase reversed
Fault 186
Phase reversal - Cprsr C : CMR - Phase reversed
Fault 187
Phase reversal - Cprsr D : CMR - Phase reversed
Fault 190
Low Superheat - Ckt 1 : CMR - Superheat < 1°C during more than 1333°C x sec
Fault 191
Low Superheat - Ckt 2 : CMR - Superheat < 1°C during more than 1333°C x sec
Fault 194
Low Evap Rfgt Temp. - Ckt 1 : CMR
Fault 195
Low Evap Rfgt Temp. - Ckt 2 : CMR
Fault 198
Low Oil Flow - Cprsr A : CMR - Oil flow switch open during more than 20 sec
Fault 199
Low Oil Flow - Cprsr B : CMR - Oil flow switch open during more than 20 sec
Fault 19A
low Oil Flow - Cprsr C : CMR - Oil flow switch open during more than 20 sec
Fault 19b
Low Oil Flow - Cprsr D : CMR - Oil flow switch open during more than 20 sec
Fault 19C
Phase Loss - Cprsr A : CMR - Loss of 1 or more phases
Fault 19d
Phase Loss - Cprsr B : CMR - Loss of 1 or more phases
Fault 19E
Phase Loss - Cprsr C : CMR - Loss of 1 or more phases
Fault 19F
Phase Loss - Cprsr D : CMR - Loss of 1 or more phases
Fault 1A0
Power Loss - Cprsr A : CAR - Loss of all three phases in operation
Fault 1A1
Power Loss - Cprsr B : CAR - Loss of all three phases in operation
Fault 1A2
Power Loss - Cprsr C : CAR - Loss of all three phases in operation
Fault 1A3
Power Loss - Cprsr D : CAR - Loss of all three phases in operation
Fault 1A4
Tracer Communication Loss : IFW - Loss of external information
Fault 1A5
Oil Flow Control - Cprsr A : CMR - Problem on oil circuit
Fault 1A6
Oil Flow Control - Cprsr B : CMR - Problem on oil circuit
Fault 1A7
Oil Flow Control - Cprsr C : CMR - Problem on oil circuit
Fault 1A8
Oil Flow Control - Cprsr D : CMR - Problem on oil circuit
Fault 1A9
EXV Elec Drtive Ckt - Rfgt Ckt 1 : CMR 1) EXV wiring
2) Defective UCM
3) Defective EXV
4) Defective EXV relay
- Refrigerant temperature < Setpoint during more than
30°C x sec
- Refrigerant temperature < Setpoint during more than
30°C x sec