Miele PRI 210 Mode D'emploi page 22

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If the ironing process is paused during the follow-up time, you must
purchase more ironing time to restart the iron.
Miele Technical Service can change the duration of the follow-up
time to a value between 0–5 minutes.
At the end of the follow-up time, the heater plate disengages and the
roller comes to a standstill.
The  display flashes. More ironing time can be purchased at any
time.