E
eringutierrezJul 26, 2025
How to fix a Honeywell Thermostat when the display will not come on?
- DdaviscodyJul 26, 2025
If your Honeywell Thermostat display won't turn on, try the following: * Ensure the thermostat is properly mounted and latched onto the wallplate. * Check and reset the circuit breaker if it has tripped. * Replace the fuse if it's blown. * Verify the system switch at the equipment is in the On position. * Inspect the wiring between the thermostat and HVAC equipment, replacing any broken wires. * If 24 Vac is present, continue with troubleshooting.