Replacing The Circuit Board - Weinmann OXYMAT 3 Servicing And Repair Instructions

7.9 Replacing the circuit board

This repair must always be carried out at an ESD workplace.
Tools required:
• Spanner set WM 14249,
• Allen key 6 mm,
• Cross-head screwdriver size1,
• Flat nose pliers.
1. Open the appliance (see "7.3 Opening the
appliance" on page 29).
2. Carefully lift the operating panel out of the
foam section.
3. Detach the connectors
circuit board by pressing the lock together and
pulling off the connector.
4. Detach tube from pressure sensor
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Caution!
Do not damage pressure sensor when detaching
the tube .
5. The operating panel can now be folded away
upwards.
6. Next, pull connectors
the circuit board.
7. Release the tube :
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– Press the lock back using an appropriate
spanner from the set.
– Pull out the tube.
8. Using flat nose pliers,
Off knob .
2
Caution !
Do not let the pliers slip!
9. To allow you to work more easily, place the
operating panel into the foam section
How to remove the foam section
– Loosen the straps
strap out of the fastener, and place them
next to the appliance.
– Remove the foam section
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Repair information and repair instructions
and from the
X1 X2
.
B1
, and from
X13 X11 X10
pull off the On/
carefully
.
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:
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, without pulling the
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.
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84
B1 X13 X11
2
44
44
X1
X2
X10 X1 X2
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