Unsatisfactory resolution from Dynamic Works & Sons Daegu

I appreciate Dynamic Works & Sons Daegu reaching out, but the solution provided doesn't address my original concern. The replacement vacuum cleaner has the same defect as the original one I complained about.

Dear customer, I am reaching out regarding your recent complaint about our maintenance contract. First and foremost, I want to extend my sincere apologies for the frustration this situation has caused you. As the Customer Satisfaction Coordinator at Dynamic Works & Sons Daegu, I have personally reviewed your case and have spoken with the team members involved. There appears to have been a miscommunication regarding our service guarantees, and I take full responsibility for this oversight. I have taken the following immediate actions: 1. Processed a refund of $463.82 to your original payment method 2. Added a $463.82 service credit to your account for future use 3. Implemented additional training for our staff based on your feedback Your case has been assigned reference number REF-67DED051 for any future correspondence. Please allow 3-5 business days for the refund to appear in your account. Thank you for giving us the opportunity to address this matter. Your feedback helps us improve. Sincerely, Charles Allen Customer Satisfaction Coordinator Dynamic Works & Sons Daegu