Power World Machinery Equipment Co. Ltd. · A niche brand in the UK. 29 codes across 1 product family, each taken from the manufacturer’s manuals.
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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.
29 codes
| Code | Meaning | Stops? | Homeowner check? |
|---|---|---|---|
| Er03 | Water flow failure | Not stated | Yes |
| Er04 | Antifreeze in winter | Not stated | Yes |
| Er05 | High pressure fault | Not stated | Yes |
| Er06 | Low pressure fault | Not stated | Yes |
| Er09 | Communication failure | Not stated | Yes |
| Er10 | Communication failure of frequency conversion module (alarm whencommunication between outer board and drive board isdisconnected) | Not stated | Yes |
| Er12 | Exhaust temp too high protection | Not stated | Yes |
| Er14 | Water tank temp. sensor fault | Not stated | Yes |
| Er15 | Water inlet temp. sensor fault | Not stated | Yes |
| Er16 | Evaporator coil temp. sensor fault | Not stated | Yes |
| Er18 | Exhaust temp. fault | Not stated | Yes |
| Er20 | Abnormal protection of frequency conversion module | Not stated | Yes |
| Er21 | Ambient temp. sensor fault | Not stated | Yes |
| Er23 | Cooling outlet water temp. supercooling protection | Not stated | Yes |
| Er26 | Heat sink temp. fault | Not stated | Yes |
| Er27 | Outlet water temp. sensor fault | Not stated | Yes |
| Er29 | Return gas temp. sensor fault | Not stated | Yes |
| Er32 | Heating too high outlet water temp. protection | Not stated | Yes |
| Er33 | Coil temp. too high | Not stated | Yes |
| Er34 | The temp. of frequency conversion module is too high | Not stated | Yes |
| Er42 | Cooling coil temp. sensor failure | Not stated | Yes |
| Er62 | Inlet temp. fault of economizer | Not stated | Yes |
| Er63 | Outlet temp. failure of economizer | Not stated | Yes |
| Er64 | DC fan 1 fault | Not stated | Yes |
| Er66 | DC fan 2 fault | Not stated | Yes |
| Er67 | Low pressure switch failure | Not stated | Yes |
| Er68 | High pressure switch failure | Not stated | Yes |
| Er69 | Too low pressure protection | Not stated | Yes |
| Er70 | Too high pressure protection | Not stated | Yes |