How to replace a power module that is incorrectly purchased, or how to purchase a new power module if the existing power module is faulty

Observe the following guidelines if you have purchased a wrong power module or your power module fails:
- If you have purchased a wrong power module, contact the device supplier to replace the power module.
- If your power module fails, find a sales partner in partner to purchase a new power module.
- If your power module is faulty, contact service representatives at the local Huawei office.

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