Common rating-plate locations
Check the side, rear, front grille area, or chassis label. Window units often have a label visible from the indoor side.
What to write down
- Model number: identifies the product family and configuration.
- Serial number: may identify production date or factory batch.
- Product / PNC / service number: some brands use an additional identifier for exact parts and documentation.
Do not dismantle a built-in appliance, pull a heavy appliance out alone, or reach near live electrical parts just to read a label. Check purchase paperwork, registration records, or the manufacturer’s support tools first.
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Use the number to confirm an error code
Once you have the full model identifier, use the manufacturer support page or owner manual to confirm the exact code meaning and service procedure.