11.3 Battery change
NOTE
Problem-free operation is only ensured with fully charged batteries.
• Replace weak batteries immediately as soon as the signal occurs.
• Only use approved batteries
• Always replace all batteries.
• The use of rechargeable battery packs is not permitted.
The clock continues to run for up to 5 minutes without batteries.
• The batteries should therefore be changed quickly.
• If necessary, reset the time with the MDU 110 mobile programming unit after changing the
batteries.
1. Slide the cover to the side.
3. Insert new batteries. Ensure the polarity is
correct.
NOTE
Product damaged caused by closing the EFL 30 / EFL 30 C without batteries.
If the EFL 30 / EFL 30 C is closed without batteries after commissioning, it can no
longer be opened without force.
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3.2 Technical data, page 31
2. Remove the batteries.
4. Slide the cover back into place.
.