Service process

How to prepare warranty and goodwill claims

A complete warranty or goodwill claim reduces follow-up questions and speeds up technical assessment. This page explains the details and evidence Kerstner needs for efficient handling.

Quick answers

What this page covers

For warranty and goodwill cases, Kerstner needs traceable information about the refrigeration system, vehicle, operator, fault symptoms and checks already performed.

Serial numberVehicle identification numberInstallation dateFault symptoms and diagnosisPhotos and evidence

Required information for assessment

The more complete the information, the better the service team can determine whether further details, technical examination or authorisation are required.

  • Type of claim: warranty or goodwill.
  • Vehicle owner or operator with full address.
  • Refrigeration unit/equipment type and serial number.
  • VIN, vehicle type, first registration and installation date.
  • Mileage, fault symptoms, diagnosis to date and required spare parts.

Photos and documents

Evidence makes the case traceable. If documents are missing, Kerstner can request them specifically without reopening the entire case.

  • Photo of the refrigeration system’s rating plate.
  • Photos of the affected component or damage.
  • Maintenance and inspection records, if available.
  • Handover or final acceptance documents, if available.

Why use the portal

The service partner portal keeps the case, replies, files and status together in one place. This makes handling more transparent than PDF forms or separate emails.

  • The case is created directly in Kerstner’s service process.
  • Follow-up questions and replies remain traceable within the ticket.
  • Documents can be assigned to the case in a structured way.

Frequently asked questions

Frequently asked questions on this topic

What information does Kerstner need for warranty or goodwill claims?

Required details include claim type, operator address, equipment type, serial number, VIN, vehicle type, installation date, first registration, mileage, fault symptoms, diagnosis and required spare parts.

Why are the serial number and VIN important?

They link the case unambiguously to the refrigeration system and vehicle. This makes technical data, history, warranty period and any previous service cases easier to trace.

Why should service cases be reported through the portal?

The portal keeps the ticket, messages, files and status together. This reduces follow-up questions and makes handling more transparent for Kerstner and service partners.

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