First off, are you absolutely certain the batteries are charged? The Panasonic KX-TGE233 uses rechargeable AAA batteries, which can corrode or lose charging capabilities over time. The easiest way to make sure there is an actual problem aside from the batteries is to simply replace the batteries in the handset with fresh AAA batteries. If the phone now powers on, you'll know that your old batteries were the issue, and you can purchase new Ki-MH (not lithium) rechargeable AAA batteries as a replacement.
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First off, please run through [https://www.ifixit.com/Wiki/Panasonic_KX-TGE233_Troubleshooting|this device's troubleshooting guide] to make sure your question isn't answered there.
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Are you absolutely certain the batteries are charged? The Panasonic KX-TGE233 uses rechargeable AAA batteries, which can corrode or lose charging capabilities over time. The easiest way to make sure there is an actual problem aside from the batteries is to simply replace the batteries in the handset with fresh AAA batteries. If the phone now powers on, you'll know that your old batteries were the issue, and you can purchase new Ki-MH (not lithium) rechargeable AAA batteries as a replacement.
If the batteries are not causing the problem, the odds are good that there is an issue with the charging contact points on the bottom of your phone or inside the docking station. The easiest way to test whether or not the contact points are the cause is by trying to charge other phones in that docking station, or by attempting to charge that particular handset in another docking station. If other phones are able to charge in that main docking station, but that particular handset will not charge in the other docking stations, then the handset is the problem; if that handset is able to charge in the other docking stations, but none of your other two handsets can charge in the main docking station, then the contacts in the main docking station are the issue.
Since the repair guide for the contact points in the phone handsets and the docking stations don't seem to be up yet, I'd recommend either charging that handset on the other docking stations for now, or using the other handsets on the main docking station. This is, of course, depending on what the issue was from your testing.
Hi there, Will.
First off, are you absolutely certain the batteries are charged? The Panasonic KX-TGE233 uses rechargeable AAA batteries, which can corrode or lose charging capabilities over time. The easiest way to make sure there is an actual problem aside from the batteries is to simply replace the batteries in the handset with fresh AAA batteries. If the phone now powers on, you'll know that your old batteries were the issue, and you can purchase new Ki-MH (not lithium) rechargeable AAA batteries as a replacement.
If the batteries are not causing the problem, the odds are good that there is an issue with the charging contact points on the bottom of your phone or inside the docking station. The easiest way to test whether or not the contact points are the cause is by trying to charge other phones in that docking station, or by attempting to charge that particular handset in another docking station. If other phones are able to charge in that main docking station, but that particular handset will not charge in the other docking stations, then the handset is the problem; if that handset is able to charge in the other docking stations, but none of your other two handsets can charge in the main docking station, then the contacts in the main docking station are the issue.
Since the repair guide for the contact points in the phone handsets and the docking stations don't seem to be up yet, I'd recommend either charging that handset on the other docking stations for now, or using the other handsets on the main docking station. This is, of course, depending on what the issue was from your testing.
Hopefully this helps and answers your question!
-Jesse