Trane Air Conditioner Error Codes



Index:

  1. Trane Split System Error Codes
  2. Mini TVR 5G Error Codes
  3. Ceiling-Cassette Error Codes

1-Trane Split System Error Codes:

Trane Split AC Error Codes

9, 12 MBH – 60 and 50 Hz ( No LED light on outdoor PCB)

Error CodeProblem
EEStorage slug
E1Indoor PCB malfunction
E2Anti-freezing protection
H4Overload system
H6No motor of indoor unit feedback
F2Indoor pipe temperature sensor malfunction
F1Internal ambient temperature sensor malfunction
UFZero passage abnormal
H3Overload of compressor
LcStartup failure
UHNo motor of outdoor unit feedback
E5Overcurrent protection
U74-way valve conversion abnormal
U1Phase current detection malfuntion of compressor

12, 24 MBH – 60 and 50 Hz




Error CodeProblem
E1System high pressure protection
E2Anti-freezing protection
E4Compressor air exhaust high temp. protection
E5AC overload protection
E6Indoor and outdoor units commication malfunction
E8Anti-high temp. protection
H6Indoor unit motor no feedback
C5Jump wire cap malfunction protection
F1Indoor ambient sensor open circuit, short circuit
F2Indoor evaporator sensor circuit open, short circuit
F3Outdoor ambient sensor circuit open, circuit short
F4Outdoor condensor sensor oepn circuit, short circuit
F5Outdoor air exhaust sensor open circuit, short circuit
F6Overload limit/descending frequency
F8Over current need frewuency descending
F9Air exhaust over high need frequency descending
PHDC generatrix voltage
U3DC Bus voltage dips
PLLow DC Bus voltage protection
EUIPM temp. is too high limit/decrease frequency
U7Four-way valve abnormal
U9Outdoor unit zero-cross detecting error
FHAnti-freezing limit/decrease frequency

Error Messages and Actions

Error MessagesActions
0x01EEPROM ERROR. ERROR 01 EEPROM communication error contact service technician. Unit stops working. Action to be taken by user: Contact service technician.
0x02COMPRESSOR FAILURE ERROR OR Refrigerant Leakage Error. Error 02 Compressor failure or refrigerant leakage contact service technician. Unit stops working. Action to be taken by user: Contact service technician.
0x03FILTER CHOKE ERROR. Error 03 Filter choke error -Clean the filter. Unit operates as per user settings. Action to be taken by user: Clean filters.
0x04Indoor Temp Sensor Error (Room). Error 04 Room Temp Sensor Failure Contact Service Technician. Cool Mode Or Dry Mode: Unit Operate With Compressor Off Fan Mode: Operates As Per User Setting.
0x05Outdoor Temp Sensor Error. Error 05 Outdoor Temp Sensor Failure Contact Service Technician. Operates Indoor Unit And Outdoor Unit As Per User Setting. If Trane Mode Is Activated Unit Should Operate At Set Point 24 °C.
0x06Indoor Coil Sensor Error. Error 06 Indoor Temp Sensor Failure Contact Service Technician. Cool Mode Or Dry Mode: Unit Operate With Compressor Off Fan Mode: Operates As Per User Setting.
0x08Communication Error. Error 08 Communication Error Contact Service Technician. Stop Indoor Unit And Outdoor Unit.
0x09BATTERY LOW ERROR. Error 09 Low battery please change the battery. Operates indoor unit and outdoor unit as per user setting. Action to be taken by user: Change battery.
0x0AInput Power Error. Error 10 Idu Error - Input Power Problem. Unit Stops Working. Action To Be Taken By User: Check The Power Cord / Contact Service Technician
0x0BFan Failure Error. Error 11 IDU Error - Fan Failure. Unit Stops Working.



Mini / Multi-Split Wired Controller

Trane Mini Multi-Split Wired Controller Error Codes
Trane Mini Multi-Split Wired Controller Error Codes
Fault CodesMeaning
F1Return air temperature sensor open/short circuited
F2Evaporator temperature sensor open/short circuited
b5Indoor unit liquid valve temperature sensor open/ short circuited
b7Indoor gas valve temperature sensor open/short circuited
P7IPM temperature sensor open/short circuited
F3Outdoor ambient temperature sensor open/short circuited
F4Outdoor unit condenser mid-tube temperature sensor open/short circuited
F5Discharge temperature sensor open/short circuited
E6Indoor and outdoor communication error
PLDC bus under-voltage protection
PHDC bus over-voltage protection
U1Compressor phase current sensing circuit error
HECompressor demagnetization protection
HcPFC protection
P8IPM Temperature Protection
L9Over-power protection
F0 System charge shortage or blockage protection
PUCapacitor charging error
E1High pressure protection
E3Low pressure protection
LECompressor stalling
LFOver-speeding
PFDrive board temperature sensor error
P9AC contactor protection
PETemperature drift protection
PdSensor connection protection
U3Sensor connection protection
L3Outdoor fan 1 error protection
LAOutdoor fan 2 error protection
P6Drive board communication error
H3Compressor overheating protection
LPIndoor and outdoor units unmatched
dnCommunication line mis-connected or expansion valve error
E7Running mode conflict
FoPump-down
H1Forced defrosting
LcCompressor startup failure
E4High discharge temperature protection
E8Overload protection
E5Whole unit over-current protection
P5Over phase current protection
H7Compressor desynchronizing
H5IPM Current protection
LdCompressor phase loss/reversal protection
F8Frequency restricted/reduced with whole unit current protection
EnFrequency restricted/reduced with IPM current protection
F9Frequency restricted/reduced with high discharge temperature
FHFrequency restricted/reduced with anti-freezing protection
F6Frequency restricted/reduced with overload protection
EUFrequency restricted/reduced with IPM temperature protection
E9Indoor unit full water error
E2Anti-freezing protection
PPAC input voltage abnormal
U5Whole unit current sensing circuit error
U74-way valve reversing error
H6Motor stalling
U8PG motor zero-crossing protection

2-Trane Mini TVR 5G Error Codes:

 

Trane Air Conditioner Error Codes
Trane Air Conditioner Error Codes

Malfunction Code Of Outdoor Unit (12/14/16kw):

Display: H0

Malfunction or Protection: M_Home unmatching

Display: E0

Malfunction or Protection: EEPROM Fault

Display: E2

Malfunction or Protection: Communication fault of the outdoor chip and the indoor chip




Display: E3

Malfunction or Protection: Communication error between Main board and IR341

Display: E4

Malfunction or Protection: Outdoor unit sensor fault

Display: E5

Malfunction or Protection: Voltage protection fault

Display: E6

Malfunction or Protection: Direct-current fan fault

Display: E7

Malfunction or Protection: Heating fan fault in the area A lasts for 5 minutes

Display: E8

Malfunction or Protection: There are two times E6 fault in 10 minutes (recovery will be after power off)

Display: P0

Malfunction or Protection: The cooling fin high temperature protection

Display: P1



Malfunction or Protection: High pressure protection

Display: P2

Malfunction or Protection: Low pressure protection

Display: P3

Malfunction or Protection: Compressor current protection

Display: P4

Malfunction or Protection: Discharge temperature protection

Display: P5

Malfunction or Protection: Outdoor condenser high temperature protection

Display: P6

Malfunction or Protection: IPM modules protection

Display: P7

Malfunction or Protection: Evaporator high temperature protection

Display: P8

Malfunction or Protection: Typhoon protection

Display Function Instruction:

  1. When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
  2. When operation, LED displaying frequency value of compressor.
  3. When defrost, LED displaying “dF”.

Malfunction Code Of Outdoor Unit (8/10.5/18kW):

Display: E2

Malfunction or Protection: Communication malfunction between indoor/outdoor units

Display: E4

Malfunction or Protection: T3&T4 temperature sensor malfunction

Display: E5

Malfunction or Protection: Power voltage protection

Display: E6

Malfunction or Protection: Fan Protection



Display: E7

Malfunction or Protection: Compressor discharge temperature sensor malfunction

Display: E9

Malfunction or Protection: EEPROM malfunction

Display: EA

Malfunction or Protection: A fan in the Aregion run for more than 5 minutes in Heat mode

Display: Eb

Malfunction or Protection: 2 times of E6 protection in 10 minutes

Display: H0

Malfunction or Protection: Communication malfunction between IR341/main board

Display: P1

Malfunction or Protection: Hi-pressure protection

Display: P2

Malfunction or Protection: Low-pressure protection

Display: P3

Malfunction or Protection: Input current protection

Display: P4

Malfunction or Protection: Compressor discharge protection temperature

Display: P5

Malfunction or Protection: Condenser high temperature protection

Display: P6

Malfunction or Protection: Inverter module protection

Display: P8

Malfunction or Protection: Typhoon protection

Display: PE

Malfunction or Protection: Indoor evaporator hi-tempprotection

Display: L0

Malfunction or Protection: Module malfunction

Display: L1

Malfunction or Protection: DC generatrix low voltage protection




Display: L2

Malfunction or Protection: DC generatrix high voltage protection

Display: L3

Malfunction or Protection: Reserved

Display: L4

Malfunction or Protection: MCE malfunction/simultaneously/cycle loop

Display: L5

Malfunction or Protection: Zero speed protection

Display: L6

Malfunction or Protection: Reserved

Display: L7

Malfunction or Protection: Wrong phase protection

Display: L8

Malfunction or Protection: Speed difference>15Hz protection between the front and the back clock

Display: L9

Malfunction or Protection: Speed difference>15Hz protection between the real and the setting speed

Display Function Instruction:

  1. When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
  2. When operation, LED displaying frequency value of compressor.
  3. When defrost, LED displaying “dF”.

3-Ceiling-Cassette Error Codes:

Trane Cassette Indoor Unit Error Codes

Error code: 416

Explanation: Compressor down due to protection control of the discharge temperature sensor



Error code: 450

Explanation: Error due to condenser temperature sensor when in cooling mode

Error code: 451

Explanation: Error of the low pressure switch (Protection control)

Error code: 425

Explanation: Reverse phase error (Protection control)

Error code: 551

Explanation: In removing frost

Error code: 221

Explanation: Error of outdoor temperature sensor (Open/Short)

Error code: 237

Explanation: Error of condenser temperature sensor (Open/Short)

Error code: 201

Explanation: System down caused by communication error after completion of tracking Mismatching of indoor unit quantity setting error after completion of tracking 5 times

Error code: 251

Explanation: Error of discharge temperature sensor (Open/Short)

Error code: 121

Explanation: Error of temperature sensor in the indoor unit (Open/Short)

Error code: 122

Explanation: Error of the heat exchanger sensor in the indoor unit (Open/Short)

Error code: 419

Explanation: Error of electronic expansion valve open in the outdoor unit (when it is detected more than once)

Error code: 422

Explanation: Error of electronic expansion valve close in the outdoor unit (when it is detected more than once)

Error code: 601

Explanation: Error of communication between the indoor unit and the wired remote controller

Error code: 602

Explanation: Master wired remote controller / slave wired remote controller

Error code: 606

Explanation: Polarity error (F1/F2, F3/F4 switched)

Error code: EA

Explanation: Error of setting option for wired remote controller COM2

Trane Air Conditioner Error Codes Manual PDF




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