Lennox Heat Pump Not Defrosting | Bad Defrost Board & Temp Sensor Diagnosis #butlershvac #hvac
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Levels United LLC on Instagram: "If your heat pump is making a block of ice in winter or the outdoor unit is frozen solid, 9 times out of 10 the problem is the defrost system… and the defrost control board is the brain behind it. Here’s exactly how I diagnose a bad defrost board (works on almost all brands – Trane, Carrier, Goodman, Rheem, Lennox, Nordyne, etc.) ⚠️ SAFETY FIRST • Turn power OFF at the disconnect AND at the breaker • Use a meter – never guess with 240V 1️⃣ Visual Inspection • Loo
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