Trane VRF-SVX30A-EN Error Codes

(Models: 4TVW0007B100NB, 4TVW0009B100NB, 4TVW0012B100NB, 4TVW0018B100NB, 4TVW0020B100NB, 4TVW0024B100NB)

E121 Indoor temperature shorted or open

E122 Evap-in sensor problem 

E123 Evap-out sensor problem

E126 Discharge sensor problem

E154 Indoor fan problem

E221 Outdoor temperature sensor problem

E237 Condenser sensor problem

E251 Discharge sensor problem

E101 No communication between indoor and outdoor units for 2 minutes

E102 Communication problem received from the outdoor unit

E202 3-minute tracking problem on the outdoor unit

E201 Communication fault after tracking due to non-matching quantity of installed indoor units

E108 Error due to repeated communication address

E109 Communication address not found

E151 Error due to opened EEV (2nd detection)

E152 Error due to closed EEV (2nd detection)

E128 Loosing in Evap-in sensor  

E129 Losing in Evap-out sensor 

E198 Thermal switch open

The E241 Condenser mid-sensor is loose

E554 Refrigerant leakage (2nd detection)

E450 Abnormally high temperature on the condenser (2nd detection)

E451 Low-pressure switch (2nd detection)

E416 Abnormally high discharge air temperature on the outdoor unit (2nd detection)

E559 Indoor unit operation stopped due to an unconfirmed error on the outdoor unit

E425 Reverse phase detection problem

E403 Compressor operation stopped due to freeze detection(6th detection)

E301 High-pressure sensor is loose

E306 Low-pressure sensor is loose

E428 Outdoor unit compression ratio problem

E413 Outdoor sump down_1 prevention control

E410 Compressor operation stopped due to low-pressure sensor prevention control

E180 Simultaneous opening of cooling/heating MCU solenoid valve (1sst detection)

E181 Simultaneous opening of cooling/heating MCU solenoid valve (2nd detection)

E153 Float switch (2nd detection)

E162 EEPROM problem

E163 EEPROM option problem

E164 Incompatible indoor unit problem


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