40 N°: 999341_EN_DVR 2pro/12.07.2017Resolving problems7 Resolving problemsCAUTIONMalfunction because of incorrect repair by thecustomer.The gauge is not intended for the repair by customer.>> Open the vacuum gauge only for batteryreplacement.>> If the gauge is defective, please send it to ourService Department or your local supplier.Technical support> To identify errors and potential remedies, please refer to thetroubleshooting table: Fault – Cause – RemedyFor technical help or in case of errors, please contact our Service1department.7.1 Error displayIn case of malfunction a warning triangle appears on the display.Example error display211 Warning triangle blinks2 Measure display blinks` here: over pressure1 -> Phone: +49 9342 808-5660, Fax: +49 9342 808-5555, service@vacuubrand.com ExampleError displayTechnical support