Maintenance And Cleaning - HomeMatic HM-RC-Key3-B Bedienungsanleitung

The error will then be found with the receiver:
• Receiver not accessible
• Receiver cannot execute command
(load failure, mechanical blockage, etc.)
• Defective receiver

10 Maintenance and cleaning

The product is maintenance-free besides possibly
requiring a battery change.
Maintenance or repairs are only to be done by
trained professionals. Clean the product using a
soft, clean, dry and lint-free cloth.
To remote heavier contamination, make the cloth
damp with lukewarm water. Cleaning agents that
contain solvents are not to be used because it can
harm the plastic housing and the labels.
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