Hisense · A niche brand in the UK. 47 codes across 1 product family, each taken from the manufacturer’s manuals. Hisense technical support ↗
Search within brand
Type the code on your display or a word from its meaning. Each code opens its own page with what it means, whether it is safe and what you can check.
47 codes
| Code | Meaning | Stops? | Homeowner check? |
|---|---|---|---|
| 02 | Activation of Protection Device (High Pressure Switch) | Yes | Yes |
| 03 | Abnormal transmission between the indoor unit and the outdoor unit | Yes | Yes |
| 04 | Abnormal Transmitting between Outdoor Unit main PCB and Inverter | Yes | Yes |
| 06 | Abnormal Inverter Voltage | Yes | Yes |
| 07 | Decrease in Discharge Gas Superheat | Yes | Yes |
| 08 | Increase in Discharge Gas Temperature | Yes | Yes |
| 11 | Inlet Water Thermistor (Tiw) Abnormality | Yes | Yes |
| 12 | Outlet Water Thermistor (Tow) Abnormality | Yes | Yes |
| 13 | Liquid Refrigerant Pipe Thermistor (TL) Abnormality | Yes | Yes |
| 14 | Gas Refrigerant Pipe Thermistor (Tg) Abnormality | Yes | Yes |
| 16 | DHW Thermistor (TDHW) Abnormality | Yes | Yes |
| 17 | Outlet HP Water Thermistor (TowHP) Abnormality | Yes | Yes |
| 18 | Water Pressure Sensor (Pw) Abnormality | Yes | Yes |
| 22 | Outdoor Unit Ambient Thermistor (Ta) Abnormality | Yes | Yes |
| 23 | Compressor Discharge Gas Thermistor (Td) Abnormality | Yes | Yes |
| 24 | Heat Exchanger Liquid Pipe Thermistor (Te) Abnormality | Yes | Yes |
| 25 | Heat Exchanger Liquid Pipe Thermistor 2 (Te2) Abnormality | Yes | Yes |
| 31 | Incorrect Capacity Setting of Outdoor Unit and Indoor Unit | Yes | Yes |
| 35 | Incorrect Setting of Indoor Unit No. | Yes | Yes |
| 43 | Activation of Low Compression Ratio Protection Device | Yes | Yes |
| 47 | Activation of Low Pressure Decrease Protection Device (Vacuum Operation Protection) | Yes | Yes |
| 48 | Activation of Inverter Overcurrent Protection Device | Yes | Yes |
| 51 | Abnormal Inverter Current Sensor | Yes | Yes |
| 53 | Inverter Error Signal Detection | Yes | Yes |
| 54 | Abnormality of Inverter Fin Temperature | Yes | Yes |
| 55 | Inverter Failure | Yes | Yes |
| 57 | Activation of Fan Controller Protection | Yes | Yes |
| 70 | Water Pressure Alarm | Yes | Yes |
| 71 | Protection Thermostat of DHW Electric Heater Activation | Partly | Yes |
| 72 | Protection Thermostat of Auxiliary Electric Heater Activation | Partly | Yes |
| 74 | Overheating protection for water Cycle 2 | Partly | Yes |
| 75 | Water Pump (WP1) malfunction | Yes | Yes |
| 76 | Freeze Protection Stop by indoor unit temperature thermistors | Yes | Yes |
| 78 | Hydraulic flow abnormality alarm (WP1) | Yes | Yes |
| 80 | Transmission failure between unit and Master Controller | Yes | Yes |
| A1 | Auxiliary sensor Abnormality (Tow3) | Yes | Yes |
| A2 | Auxiliary sensor Abnormality (Tswp) | Yes | Yes |
| A3 | Auxiliary sensor Abnormality (Tsolar) | Yes | Yes |
| A4 | Auxiliary sensor Abnormality (Tow2) | Yes | Yes |
| A5 | Auxiliary sensor Abnormality (Room_amb1...7) | Yes | Yes |
| d1-03 | Freeze protection (cooling) | Partly | Yes |
| d1-07 | Stoppage of Cooling Operation due to Low Outdoor Air Temperature | Partly | Yes |
| EE | Compressor Protection Alarm (It can not be reset from Master Controller) | Yes | Yes |
| F1 | Alarm sent by Outdoor unit (Outdoor unit alarm 21-29) | Yes | Yes |
| F2 | Alarm sent by Outdoor unit (Outdoor unit alarm except 21-29 and EE) | Yes | Yes |
| F3 | Alarm sent by Outdoor unit (Outdoor unit alarm EE) | Yes | Yes |
| H2 | Wired Remote Controller and Master Controller transmission alarm | Yes | Yes |