Trane Air Conditioner Error Codes If you’re looking for help fixing your Trane Air Conditioner, look no further! Our comprehensive Trane Air Conditioner error code guide will explain common issues, provide tips, and show you how to read your model’s error codes.
Trane Air Conditioner Error Code Solutions
Index:
- Trane Split System Error Codes
- Mini TVR 5G Error Codes
- Ceiling-Cassette Error Codes
1-Trane Split System Error Codes:
Trane Split AC Error Codes9, 12 MBH – 60 and 50 Hz ( No LED light on outdoor PCB)
| Error Code | Problem |
|---|
| EE | Storage slug |
| E1 | Indoor PCB malfunction |
| E2 | Anti-freezing protection |
| H4 | Overload system |
| H6 | No motor of indoor unit feedback |
| F2 | Indoor pipe temperature sensor malfunction |
| F1 | Internal ambient temperature sensor malfunction |
| UF | Zero passage abnormal |
| H3 | Overload of compressor |
| Lc | Startup failure |
| UH | No motor of outdoor unit feedback |
| E5 | Overcurrent protection |
| U7 | 4-way valve conversion abnormal |
| U1 | Phase current detection malfuntion of compressor |
12, 24 MBH – 60 and 50 Hz
| Error Code | Problem |
|---|
| E1 | System high pressure protection |
| E2 | Anti-freezing protection |
| E4 | Compressor air exhaust high temp. protection |
| E5 | AC overload protection |
| E6 | Indoor and outdoor units commication malfunction |
| E8 | Anti-high temp. protection |
| H6 | Indoor unit motor no feedback |
| C5 | Jump wire cap malfunction protection |
| F1 | Indoor ambient sensor open circuit, short circuit |
| F2 | Indoor evaporator sensor circuit open, short circuit |
| F3 | Outdoor ambient sensor circuit open, circuit short |
| F4 | Outdoor condensor sensor oepn circuit, short circuit |
| F5 | Outdoor air exhaust sensor open circuit, short circuit |
| F6 | Overload limit/descending frequency |
| F8 | Over current need frewuency descending |
| F9 | Air exhaust over high need frequency descending |
| PH | DC generatrix voltage |
| U3 | DC Bus voltage dips |
| PL | Low DC Bus voltage protection |
| EU | IPM temp. is too high limit/decrease frequency |
| U7 | Four-way valve abnormal |
| U9 | Outdoor unit zero-cross detecting error |
| FH | Anti-freezing limit/decrease frequency |
Error Messages and Actions
| Error Messages | Actions |
|---|
| 0x01 | EEPROM ERROR. ERROR 01 EEPROM communication error contact service technician. Unit stops working. Action to be taken by user: Contact service technician. |
| 0x02 | COMPRESSOR 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. |
| 0x03 | FILTER CHOKE ERROR. Error 03 Filter choke error -Clean the filter. Unit operates as per user settings. Action to be taken by user: Clean filters. |
| 0x04 | Indoor 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. |
| 0x05 | Outdoor 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. |
| 0x06 | Indoor 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. |
| 0x08 | Communication Error. Error 08 Communication Error Contact Service Technician. Stop Indoor Unit And Outdoor Unit. |
| 0x09 | BATTERY 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. |
| 0x0A | Input 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 |
| 0x0B | Fan Failure Error. Error 11 IDU Error – Fan Failure. Unit Stops Working. |
Mini / Multi-Split Wired Controller
Trane Mini Multi-Split Wired Controller Error Codes| Fault Codes | Meaning |
|---|
| F1 | Return air temperature sensor open/short circuited |
| F2 | Evaporator temperature sensor open/short circuited |
| b5 | Indoor unit liquid valve temperature sensor open/ short circuited |
| b7 | Indoor gas valve temperature sensor open/short circuited |
| P7 | IPM temperature sensor open/short circuited |
| F3 | Outdoor ambient temperature sensor open/short circuited |
| F4 | Outdoor unit condenser mid-tube temperature sensor open/short circuited |
| F5 | Discharge temperature sensor open/short circuited |
| E6 | Indoor and outdoor communication error |
| PL | DC bus under-voltage protection |
| PH | DC bus over-voltage protection |
| U1 | Compressor phase current sensing circuit error |
| HE | Compressor demagnetization protection |
| Hc | PFC protection |
| P8 | IPM Temperature Protection |
| L9 | Over-power protection |
| F0 | System charge shortage or blockage protection |
| PU | Capacitor charging error |
| E1 | High pressure protection |
| E3 | Low pressure protection |
| LE | Compressor stalling |
| LF | Over-speeding |
| PF | Drive board temperature sensor error |
| P9 | AC contactor protection |
| PE | Temperature drift protection |
| Pd | Sensor connection protection |
| U3 | Sensor connection protection |
| L3 | Outdoor fan 1 error protection |
| LA | Outdoor fan 2 error protection |
| P6 | Drive board communication error |
| H3 | Compressor overheating protection |
| LP | Indoor and outdoor units unmatched |
| dn | Communication line mis-connected or expansion valve error |
| E7 | Running mode conflict |
| Fo | Pump-down |
| H1 | Forced defrosting |
| Lc | Compressor startup failure |
| E4 | High discharge temperature protection |
| E8 | Overload protection |
| E5 | Whole unit over-current protection |
| P5 | Over phase current protection |
| H7 | Compressor desynchronizing |
| H5 | IPM Current protection |
| Ld | Compressor phase loss/reversal protection |
| F8 | Frequency restricted/reduced with whole unit current protection |
| En | Frequency restricted/reduced with IPM current protection |
| F9 | Frequency restricted/reduced with high discharge temperature |
| FH | Frequency restricted/reduced with anti-freezing protection |
| F6 | Frequency restricted/reduced with overload protection |
| EU | Frequency restricted/reduced with IPM temperature protection |
| E9 | Indoor unit full water error |
| E2 | Anti-freezing protection |
| PP | AC input voltage abnormal |
| U5 | Whole unit current sensing circuit error |
| U7 | 4-way valve reversing error |
| H6 | Motor stalling |
| U8 | PG motor zero-crossing protection |
2-Trane Mini TVR 5G Error Codes:
Trane Air Conditioner Error CodesMalfunction 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:
- When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
- When operation, LED displaying frequency value of compressor.
- 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:
- When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
- When operation, LED displaying frequency value of compressor.
- When defrost, LED displaying “dF”.
3-Ceiling-Cassette Error Codes:
Trane Cassette Indoor Unit Error CodesError 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