aterno Opti-Plus 5D Mode D'emploi page 37

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To exit standby:
Press one of the top 4 buttons of the thermostat for the
current operating mode to be displayed again.
Warranty
Your unit is under warranty for 5 years from the date of purchase.
This applies under the conditions of articles 1641 onwards of the
civil code (France only).
To make a claim under this warranty, you must attach proof of
purchase showing the date of acquisition to the delivery of your
faulty unit. This warranty covers the replacement of faulty parts,
labour and return shipping to the customer.
The following is excluded from the warranty:
- Equipment for which the serial number has been damaged,
modified or deleted.
- Equipment which has not been connected or used in
accordance with the indications given on the unit or in the
instructions.
- Equipment modified without the prior agreement of the
manufacturer.
- Equipment damaged as a result of impacts.
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EN