Coffee maker displays error code H04, U12 or flashes CALC

Issue

The coffee maker displays the following:

  • Error code H04
  • Error code U12
  • Display prompts a flashing "CALC"

Applies to

  • Explore 6 Coffee Maker

Resolution

Problem

Solution

Error code H04

Unplug the machine, clean up coffee powder around the flipper and then start the machine

Error code U12

Press cancel button to return to standby mode, re-clamp bean box correctly and then start the machine again

Display prompts a flashing "CALC"

Descaling cycle should be performed regularly to maintain a good coffee and the longevity of your brewer. Descaling done or not, simply press any button to cancel "CALC"

If the above steps did not help resolve the problem, we recommend contacting service centre.

Cause

Problem

Cause

Error code H04

When standby or working, power drop flipper malfunctions and cannot open or close as usual.

Error code U12

When working, the bean box malfunctions

Display prompts a flashing "CALC"

When alarm appears, it's recommended to proceed machine descaling

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