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7.4 Scope of Warranty
Warranty is not valid in the following situations:
` Products or fittings exceed warranty period (excluding any
warranty extension agreement signed beforehand).
` Fault or damage is caused by improper operation or not
following the user manual, product instructions, or relevant
safety regulations.
` Insufficient ventilation of the unit.
` Fault or damage due to improper installation, repair, change
or removal by persons who are not authorized by GoodWe.
` Fault or damage due to unpredictable accidental factors,
human errors or force majeure.
` Fault or damage unrelated to product quality.