The display on our Polder thermometer loses most of its crystals. I thought I could open it up and just wipe its “zebra” contacts, but they seem to be taped over and not subject to contamination. Plus, the crystals respond if I press on the sandwiched glass sheets. Do I try separating the sheets to inspect contact points, or is this repair not worth attempting? The display on our Polder thermometer loses most of its crystals. I thought I could open it up and just wipe its “zebra” contacts, but they seem to be taped over and not subject to contamination. Plus, the crystals respond if I press on the sandwiched glass sheets. Do I try separating the sheets to inspect contact points, or is this repair not worth attempting?
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The display on our Polder thermometer loses most of its crystals. I thought I could open it up and just wipe its “zebra” contacts, but they seem to be taped over and not subject to contamination. Plus, the crystals respond if I press on the sandwiched glass sheets. Do I try separating the sheets to inspect contact points, or is this repair not worth attempting?
The display on our Polder thermometer loses most of its crystals. I thought I could open it up and just wipe its “zebra” contacts, but they seem to be taped over and not subject to contamination. Plus, the crystals respond if I press on the sandwiched glass sheets. Do I try separating the sheets to inspect contact points, or is this repair not worth attempting? The display on our Polder thermometer loses most of its crystals. I thought I could open it up and just wipe its “zebra” contacts, but they seem to be taped over and not subject to contamination. Plus, the crystals respond if I press on the sandwiched glass sheets. Do I try separating the sheets to inspect contact points, or is this repair not worth attempting?
[image|2893984]
[image|2893983]