The codes 'HE1' or 'HE2' is shown on the display. What does this mean?

This means that a heater error has occurred.

Please power cycle the washer dryer by switching it off at the power point for five minutes.

If the fault still persists, please phone Samsung UK on 0330 SAMSUNG (7267864), and select the 'White Goods' option to speak with a technical support agent to discuss servicing options.