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 … Read more
(CX(G)AV 085 / 150 Cooling: 85~1700kW / 150~3000kW Heating: 85~1700kW / 150~3000kW 50 / 60Hz) M01 Module outgoing water temperature sensor problem M02 Module return water temperature sensor problem E15 Customer pump is not ready C00 Communication with the Module Controller failed to Stop the device C10 Communication with OD Controller failed to Stop … Read more
(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 … Read more
Outdoor Unit Trane AC Error Codes H0 M_Home Unmatching（Reserve） E0 EEPROM Fault E2 Communication Fault of The Outdoor Chip and The Indoor Chip E3 Communication Error Between Mainboard and IR341 E4 Outdoor Unit Sensor Fault E5 Voltage Protection Fault E6 Direct-Current Fan Fault E7 Heating Fan Fault in Area A Lasts for 5 Minutes E8 There Are Two … Read more
(8~88HP(25.2~246.0kW) E1 Communication for indoor and outdoor units fault E2 T1 sensor problem E3 T2 sensor problem E4 T2B sensor problem E5 Outdoor unit failure problem E6 Zero-crossing signal detection problem E7 EEPROM problem E8 PG motor fan-speed detection problem E9 Communication problem of wired controller EA Outdoor unit’s current problem Eb Outdoor unit IPM problem … Read more
