What is the phone number for siemens customer service? For more information on original Siemens spare parts and a wide range of accessories, and cleaning and care products, you can contact Siemens customer service: 1300 167 425 (24 hours, Monday to Friday). Siemens Service: your service provider for Siemens home appliances. The customer service is available online or by phone.How can we help you with siemens support? How can we help you? Siemens Process Instrumentation offers on-line support, technical support, field service, spare parts and repair services. The Siemens Global support portal allows you to search for manuals, FAQs, downloads, approvals and test certificates.Where can i find a siemens home appliance manual? In the online customer service centre, you will find a full range of documentation for your appliance including the manual. For more information on original Siemens spare parts and a wide range of accessories, and cleaning and care products, you can browse the Siemens online store and the customer service section.What can a siemens service engineer do for you? Siemens service engineers provide expert technical support for out-of-warranty repairs as well as for repairs covered by a Siemens manufacturer warranty. Arrange a repair online or by phone.