Trane Belgium Chiller Module UCM-CLD Error Codes

Error Codes & Default Description Error Type  Description
Fault 87
Check External Chilled Water Setpt
IFW Value out of range
Fault 89
Check External Current Limit Setpt
IFW Value out of range
Fault 8A
Chilled Water Flow (Ent Wtr Temp)
MMR 1) Entering water temperature < leaving WT
2) No water flow
3) Defective EVP sensor
Fault 8E
Evaporator Entering Water Temp Sensor
MMR Defective sensor
Fault 8F
Condenser Rfgt Temp Sensor – Ckt 1
MMR  Defective sensor
Fault 90
Condenser Rfgt Temp Senspr – Ckt 2
MMR  Defective sensor
Fault 93
Evaporator Rfgt Temp Sensor – Ckt 1
MMR Defective sensor
Fault 94
Evaporator Rfgt Temp Sensor – Ckt 2
MMR   Defective sensor
Fault 9A
Condenser Entering Water Temp Sensor
IFW  Defective sensor
Fault 9b
Condenser Leaving Water Temp Sensor
IFW
Defective sensor
Fault A0
Zone Temp Sensor
IFW Defective sensor
Fault A1
Outdoor Air Temp Sensor
IFW Defective sensor
Fault Ab
Evaporator Leaving Wtr Temp Sensor
MMR Defective sensor
Fault b5
Low-Pressure Cutout – Ckt 1
CMR LP pressure switch open
Fault b6
Low-Pressure Cutout – Ckt 2
CMR LP pressure switch open
Fault bA
Overload trip – Cprsr A
CMR
Current exceeded
Fault bb
Overload Trip – Cprsr B
CMR
Current exceeded
Fault bC
Overload trip – Cprsr C
CMR
Current exceeded
Fault bd
Overload trip – Cprsr D
CMR
Current exceeded
Fault bE
High-Pressure Cutout – Cprsr C
CMR
HP too high
Fault bF
High-Pressure Cutout – Cprsr D
CMR
HP too high
Fault C5
Low Chilled Water Temp (Unit Off)
IFW
Antifreeze protection
Fault C6
Low Chilled Water Temp (Unit On)
MAR
Antifreeze protection
Fault CA
Contactor – Cprsr A
MMR
Welded compressor contactor
Fault Cb
Fault Cb
Contactor – Cprsr B
MMR  Welded compressor contactor
Fault CC
Contactor – Cprsr C
MMR  Welded compressor contactor
Fault Cd
Contactor – Cprsr D
MMR   Welded compressor contactor
Fault d7
Over Voltage
MAR  Voltage 10% > nominal
Fault d8
Under Voltage
MAR  Voltage 10% < nominal
Fault Ed
Chilled Water Flow Interlock
MAR  Flow switch open more than 6 sec.
Fault F5
High-Pressure Cutout – Cprsr A
MMR HP too high
Fault F6
High-Pressure Cutout – Cprsr B
MMR
HP too high
Fault Fd
Emergency Stop Input
MMR
Emergency stop input open
 


Diagnostics 18 RLC-SVU02F-E4

Fault 180
Starter Transition – Cprsr A
CMR
Transition proof signal not received
2) Proof input shunted
Fault 181
Starter Transition – Cprsr B
CMR
Transition proof signal not received
2) Proof input shunted
Fault 182
Starter Transition – Cprsr C
CMR
Transition proof signal not received
2) Proof input shunted
Fault 183
Starter Transition – Cprsr D
CMR
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 190
Low Superheat – Ckt 2
CMR   Superheat < 1°C during more than 1333°C x sec
Fault 194
Low Evap Rfgt Temp. – Ckt 1
CMR
 Refrigerant temperature < Setpoint during more than   30°C x sec
Fault 195
Low Evap Rfgt Temp. – Ckt 2
CMR
 Refrigerant temperature < Setpoint during more than 30°C x sec
Fault 198
Low Oil Flow – Cprsr A
CMR
The oil flow switch is open for more than 20 sec
Fault 199
Low Oil Flow – Cprsr B
CMR
The oil flow switch is open for more than 20 sec
Fault 19A
low Oil Flow – Cprsr C
CMR
The oil flow switch is open for more than 20 sec
Fault 19b
Low Oil Flow – Cprsr D
CMR
The oil flow switch is open for 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 with the oil circuit
Fault 1A6
Oil Flow Control – Cprsr B
CMR
Problem with the oil circuit
Fault 1A7
Oil Flow Control – Cprsr C
CMR
Problem with the oil circuit
Fault 1A8
Oil Flow Control – Cprsr D
CMR
Problem with the 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
Fault 1AA
EXV Elec Drtive Ckt – Rfgt Ckt 2 
CMR  1) EXV wiring
2) Defective UCM
3) Defective EXV
4) Defective EXV relay
Fault 1Ad
Memory Error Type I
IFW NOVRAM problem, the unit is placed on the default setting operating
Fault 1AE
Low Differential Pressure – Ckt 1
CMR  Delta P< 2,8bar during more than 2 min
Fault 1AE
Low Differential Pressure – Ckt 2
CMR  Delta P< 2,8bar during more than 2 min
Fault 1b2
Severe Phase Unbalance – Cprsr A
CMR
Phase imbalance >30%, check current transformer and unit power supply
Fault 1b3
Severe Phase Unbalance – Cprsr B
CMR Phase imbalance >30%, check current transformer and unit power supply
Fault 1b4
Severe Phase Unbalance – Cprsr C
CMR Phase imbalance >30%, check current transformer and unit power supply
Fault 1b5
Severe Phase Unbalance – Cprsr D
CMR Phase imbalance >30%, check current transformer and unit power supply
Fault 1b6
Compressor Overload Setting – Cprsr A
IFW Check the setting of the compressor overload
Fault 1b7
Compressor Overload Setting – Cprsr B
IFW Check the setting of the compressor overload
Fault 1b8
Compressor Overload Setting – Cprsr C
IFW Check the setting of the compressor overload
Fault 1b9
Compressor Overload Setting – Cprsr D
IFW Check the setting of the compressor overload
Fault 1bA
Phase Unbalance – Cprsr A
CMR
Phase imbalance >15%
Fault 1bb
Phase Unbalance – Cprsr B
CMR
Phase imbalance >15%
Fault 1bC
Phase Unbalance – Cprsr C
CMR
Phase imbalance >15%
Fault 1bd
Phase Unbalance – Cprsr D
CMR
Phase imbalance >15%
Fault 1bE
Winding Temp – Cprsr A
CMR Winding temperature > 105°C
Fault 1bF
Fault 1bF
Winding Temp – Cprsr B
CMR Winding temperature > 105°C
Fault 1bF
Fault 1C0
Winding Temp – Cprsr C
CMR Winding temperature > 105°C
Fault 1bF
Fault 1C1
Winding Temp – Cprsr D
CMR Winding temperature > 105°C
Fault 1bF
Fault 1C6
High Differential Pressure – Ckt 1
CMR  LB/HP pressure differential > 24,5 bar
Fault 1C7
High Differential Pressure – Ckt 2
CMR  LB/HP pressure differential > 24,5 bar
Fault 1d1
Memory Error Type I
IFW RAM error
Fault 1d2
Memory Error Type III
IFW RAM error
Fault 1d3
Cprsr Suction Temp Sensor – Ckt 1
CMR
Defective sensor
Fault 1d4
Cprsr Suction Temp Sensor – Ckt 2
CMR   Defective sensor
Fault 1d7
Phase Reversal Prot Lost – Cprsr A
CMR Phase reversal protection is not operative
Fault 1d8
Phase Reversal Prot Lost – Cprsr B
CMR Phase reversal protection is not operative
Fault 1d9
Phase Reversal Prot Lost – Cprsr C
CMR  Phase reversal protection is not operative
Fault 1dA
Phase Reversal Prot Lost – Cprsr D
CMR
Phase reversal protection is not operative
Fault 1db
Slaved EXV Elec Drive Ckt – Rfgt Ckt 1
CMR
EXV electric drive defective
Fault 1dC
Slaved EXV Elec Drive Ckt – Rfgt Ckt 2
CMR
EXV electric drive defective
Fault 1dd
High Oil Temp – Cprsr A
CMR
 Oil temperature > 77°C
Fault 1dE
High Oil Temp – Cprsr B
CMR
Oil temperature > 77°C
Fault 1dF
High Oil Temp – Cprsr C
CMR
Oil temperature > 77°C
Fault 1E0
High Oil Temp – Cprsr D
CMR
Oil temperature > 77°C
Fault 1E1
Oil System Fault – Cprsr A
CMR
Fault 1E2
Oil System Fault – Cprsr B
CMR Oil temperature < condenser saturated temperature
during more than 30 min
Fault 1E3
Oil System Fault – Cprsr C
CMR Oil temperature < condenser saturated temperature
during more than 30 min Oil temperature < condenser saturated temperature
during more than 30 min
Fault 1E4
Oil System Fault – Cprsr D
CMR Oil temperature < condenser saturated temperature
during more than 30 min
Fault 1E5
Entering Oil Temp Sensor – Cprsr A
CMR  Defective sensor
Fault 1E6
Entering Oil Temp Sensor – Cprsr B
CMR  Defective sensor
Fault 1E7
Entering Oil Temp Sensor – Cprsr C
CMR  Defective sensor
Fault 1E8
Entering Oil Temp Sensor – Cprsr D
CMR  Defective sensor
Fault 2A1
Cond Fan Vari Speed Drive Fault – Ckt 1
IFW Defective fan variator speed after 5 attempts
Fault 2A2
Cond Fan Vari Speed Drive Fault – Ckt 2
IFW Defective fan variator speed after 5 attempts

 

Note :
MMR: Machine shutdown manual reset.
MAR: Machine shutdown automatic reset.
CMR: Circuit shutdown manual reset.
CAR: Circuit shutdown automatic reset.
IFW: Informational warning.

 

Communication Error Codes

Fault 410 Loss of Local Display Panel Comm
Fault 412
Chiller Mod to Option Mod Comm Failure
Fault 413
Chiller Mod to EXV Mod Comm Failure
Fault 414
 Chiller Mod to Cprsr A Mod Comm Failure
Fault 415
Chiller Mod to Cprsr B Mod Comm Failure
Fault 416
 Chiller Mod Cprsr C Mod Comm Failure
Fault 417  Chiller Mod to Cprsr D Mod Comm Failure
Fault 418 Chiller Mod to Slv EXV Mod Comm Failure
Fault 431  EXV Mod to Chiller Mod Comm Failure
Fault 434  EXV Mod to Cprsr A Mod Comm Failure
Fault 435  EXV Mod to Cprsr B Mod Comm Failure
Fault 436  EXV Mod to Cprsr C Mod Comm Failure
Fault 437 EXV Mod to Cprsr D Mod Comm Failure
Fault 441
Cprsr A Mod to Chiller Mod Comm Failure
Fault 443
Cprsr A Mod to EXV Mod Comm Failure
Fault 445
Cprsr A Mod to Cprsr B Mod Comm Failure
Fault 451
 Cprsr B Mod to chiller Mod Comm Failure
Fault 453
 Cprsr B Mod to EXV Mod Comm Failure
Fault 454
 Cprsr B Mod to Cprsr A Mod Comm Failure
Fault 461  Cprsr C Mod to Chiller Mod Comm Failure
Fault 463  Cprsr C Mod to EXV Mod Comm Failure
Fault 467
 Cprsr C Mod to Cprsr D Mod Comm Failure
Fault 471
 Cprsr D Mod to Chiller Mod Comm Failure
Fault 473
 Cprsr D Mod to EXV Mod Comm Failure
Fault 476
 Cprsr D Mod to Cprsr C Mod Comm Failure
Fault 481  Slv EXV Mod to Chiller Mod Comm Failure
Fault 483  Slv EXV Mod to EXV Mod Comm Failure
Fault 484  Slv EXV Mod to Cprsr A Mod Comm Failure
Fault 485  Slv EXV Mod to Cprsr B Mod Comm Failure
Fault 486  Slv EXV Mod to Cprsr C Mod Comm Failure
Fault 487
 Slv EXV Mod to Cprsr D Mod Comm Failure

 

 

 

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