Inficon Sensistor Sentrac, Service Instructions Manual

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INFICON Service Instructions | 5
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7
Remove the Speaker (D).
Assemble
1
Check the speaker gasket. Replace with new if necessary.
2
Place the new Speaker correctly.
3
Reinstall the four screws (C) holding the Speaker.
4
Place the Front Panel correctly. Make sure that no cables are pinched between
the Front Panel and the chassis.
5 Reinstall and tighten the four screws (A) holding the Front Panel. Do not use
thread locking compound.
6
Connect all cables between the Front Panel and the PCB. Pay special attention
to J2. Do not use force!
7
Perform a function test before the assembly continues.
Ensure the following functions, check that the:
ð Blue LED is lit.
ð Display is lit up and is functions.
ð Touch function on the display is working.
ð Sound in earphone and speaker is working correctly.
ð Probe is working in both front and rear Probe sockets.
ð Electrical grounding is OK. Measure with a DVM between front probe
connection ground (the shield) and one of the screws in the back. The
resistance should be 9 ohm or lower.
8 If any of the above tests fails, see Troubleshooting [ } 21].
9 Reinstall the cover, see Assemble in Remove the Cover [ } 28].