Error code
live-indoor-lamp-fault Indoor-unit fault lamp blink
How it shows on the unit 1 blink every 2 seconds, repeating continuously
Applies to 6 models
What this means
The indoor-unit lamp blinks at 2-second intervals when the built-in self-diagnosis detects a fault. The manual does not provide a user-readable fault code or cause list.
When to call a technician
This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.
See the official LG manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.
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