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If you are having problems with any CARTEK product then please download and read the Latest Instructions here. The latest instructions come with photos, drawings and a Fault Diagnosis page to help you self-diagnose the problem.
If you cannot resolve the problem then you can send back the product for testing. CARTEK will perform a number of tests on the product to make sure it is still functional. To send back a product for testing you will need to complete a Customer Return Form. This form will need to be sent with the product to this address: