Wyze
Display Power Regulation or Firmware Issue
Thermostat backlight flickers or brightness changes unexpectedly.
Advertisements
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.
Advertisements
Possible Causes
Unstable 24VAC supply, Loose connection between display and wall plate pins, Firmware controlling brightness malfunctioning, Failing LED driver on Wyze board
How to Fix / Troubleshooting
Safety first: Turn off HVAC power at the breaker before reseating the thermostat.
- Reseat display: Remove the Wyze display and inspect the wall plate pins for corrosion or bending. Clean gently and reattach firmly.
- Check 24VAC stability: Have a technician measure R–C voltage for fluctuations that could affect display brightness.
- Update firmware: Use the Wyze app to install any available firmware updates.
- Replace display if hardware fault: If flickering persists with stable power and updated firmware, the LED driver or display may be failing and the display assembly should be replaced.
Advertisements
Repair Difficulty
Medium
3/5
Required Part
Wyze Thermostat Display Assembly
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements