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5.11 Replacing the keypad
1. Dismantle the body, see 5.2.1 Dismantling
the body on page 59.
2. Dismantle the chassis, see
5.2.2 Dismantling the chassis on page 59.
3. Dismantle the display cover, see
5.2.3 Dismantling the display cover on
page 60.
4. Disconnect all connections from the
connectors on the HMI circuit board.
5. The HMI circuit board is secured to the
display cover by means of 2 snap-on
fasteners. Carefully bend away the snap-on
fasteners and lift the edge of the HMI circuit
board on which the snap-on fasteners are
located.
6. Remove the HMI board.
Only touch the edges of the circuit
board. Never touch the board’s
components and pin terminals.
IMPORTANT INFORMATION
7. Pull off the keypad and thread the cable out
through the hole.
8. Remove the protective lm from the new
keypad and then press new keypad onto
the display cover. Remember to thread the
cable through the hole in the display cover.
Make sure to press the keypad carefully
and rmly into position. There must not be
any loose corners or air bubbles as this can
cause dirt and moisture to get in under the
keypad.
9. Assemble the HMI board. Carefully bend
away the snap-on fasteners to facilitate
assembly.
10. Reconnect all cables to the HMI circuit
board.
11. Ret the display cover, chassis and body.
5. REPAIR INSTRUCTIONS
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