Dantherm CDT 30S MKII Service Manual page 13

User guide,
cont.
Replacing the If the hour counters cannot be read when disconnected from mains, it is probably due
memory battery to flat memory battery. Replacement procedure:
Warning: Always disconnect from the mains before changing battery
1
2
Action
Slacken the screws on
both side of the control
panel, and carefully lift
the panel up using the
top edge
Cut the cable tie holding the battery. Replace the battery, using a new cable tie
max. 2.5 mm wide.
Use Alkaline AAA batteries only
Illustration of PCB with battery included in the wiring diagram on page 22.
Continued on next page
11