What this usually means
Do not chip ice from the outdoor coil. Observe whether the unit periodically enters defrost and clears the frost.
Heavy ice, a fan striking ice or declining indoor temperature requires professional evaluation.
What you can safely check
- Light frost or solid ice
- Whether defrost clears it
- Indoor temperature trend
- Outdoor fan sound
When to call a professional
Call when ice remains through multiple cycles, the home loses heat or equipment makes contact with ice.
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