Amazon Return Collection Missed for Faulty Router

I am an Amazon Prime member and use Amazon frequently, and I am writing regarding a problematic return process for a faulty electric router from order #205-315213-1778742. The router broke the first time I used it, so I booked a return collection for Friday 18th September 2026 and carefully packaged everything up with the return labels as instructed. I was at home the entire day on the scheduled collection date, but no courier arrived to collect the parcel. The instructions clearly state that only one attempt to collect will be made, which leaves me in a difficult position, as I have followed all the steps correctly and the item is clearly faulty. I also could not find any working telephone number for Amazon to resolve this directly, which has added to my frustration. In light of this, I request that Amazon rearranges the collection of this return so that my refund can be processed without any further delay. I would appreciate it if this issue could be handled promptly, taking into account that the product failed on first use and that I complied fully with the original return instructions.