Vaillant vSMART
Overheating or Electrical Short
Unpleasant burning or electrical smell from the vSMART gateway or thermostat.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed power supply component, internal short circuit, incorrect power adapter used, blocked ventilation causing overheating
How to Fix / Troubleshooting
Immediate safety warning: Disconnect the device from power immediately. Do not continue to use a device that smells of burning or shows signs of melting or smoke.
Steps:
- Unplug power: Remove the power adapter from the socket and, if applicable, remove batteries from the thermostat.
- Inspect externally: Look for discoloration, melted plastic, or scorch marks. Do not open the casing.
- Do not reuse: Do not attempt to power the device again. Contact Vaillant or a qualified technician for inspection and replacement.
Using a damaged device poses a fire risk and is unsafe.
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Repair Difficulty
Professional Required
5/5
Required Part
vSMART Internet Gateway Power Supply
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