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Repair Section
46
(4) Battery replacement of control board
• When the power is unplugged from the unit, and control board is automatically resetting clock
and program, it is time to change the battery on the control board to avoid resetting of clock and
program.
1) Disassemble control board. (See page 44 and
45.)
2) See diagram for battery removal.
3) Insert new battery securely in the direction shown
in the drawing.
Specifications:
- Type: 3 V CR2450 or equivalent
CAUTION
When inserting the battery, make sure the
direction of polarity (plus/minus) is correct (as
shown).
I001805
Control
Board
Battery
I001806
Battery (Old)
Holder
Control Board
I001807
Holder
Battery (New)
Control Board
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