Can You Troubleshoot These Common HVAC Problems Like a Pro?Share:FacebookPinterestTwitterMailThe thermostat is accurate but won’t trigger cooling. What could be the issue?72%Next Correct Incorrect A loose or broken Y-wire prevents the cooling signal from reaching the unit. The thermostat is accurate but won’t trigger cooling. What could be the issue? Faulty Y-wire connection Incorrect mode setting Weak batteries High refrigerant charge 72%
