Mira Mira Advance fault codes
The thermostatic electric shower the A to M code table is published for, at 8.7 and 9.8 kW. Also the model carrying the BEAB Care approval.
Codes on the Mira Advance follow the same Mira scheme as the rest of the range. Where a code behaves differently on this generation, the code page says so.
Mira fault codes
Every published Mira code. Open a code to see which models and years it applies to.
- AFlashing red on the Status light. Mira group three water-supply problems under this one code: no supply, low pressure, or a blockage somewhere in the outlet.Get it checked
- DFlashing red and yellow. The outlet thermistor has seen a temperature above what Mira allow, and the shower has stopped rather than deliver it.Get it checked
- MFlashing white. Not a breakdown — the shower was switched off at the cord before it finished its shutdown, and it will not restart properly until it settles.Usually simple to fix
- LStatus light off entirely, with Start/Stop off. Mira call this an electrical fault and the action is to check power to the shower.Get it checked
- FFlashing red and blue with Start/Stop flashing. The cold water arriving at the shower is already hotter than Mira allow it to be.Get it checked
- IFlashing red and white with Start/Stop flashing. Mira call it a software error, and their published remedy is simply to power cycle the unit.Get it checked
- CFlashing red and yellow with Start/Stop off. A thermistor fault: the shower has lost the temperature sensing it relies on to stay safe.Get it checked
- EFlashing red and blue with Start/Stop off. The flow valve has failed, which is the component that lets water into the heater in the first place.Get it checked
- JStart/Stop lit, Status flashing red and white. Relay board failure — the board that actually switches the heating elements has failed.Get it checked
- HFlashing red and white with Start/Stop off. The cover PCB has failed — the board behind the front panel that reads the button and drives the lights.Get it checked
- GStart/Stop lit, Status flashing red and blue. The shower has decided the Start/Stop button is stuck in the pressed position.Get it checked
- BFlashing yellow, on the drain-pump variants only. The shower and the pump’s transformer have stopped talking to each other over their wireless link.Get it checked
- KFlashing yellow and blue with Start/Stop off, on the drain-pump variants. The shower and the pump transformer are not paired with each other at all.Get it checked