Washing machine and dishwasher examinations

Investigation of a washing machine or dishwasher starts by reproducing the reported defect and its conditions. Component faults, installation errors and external exposure need different checks.

Subject of examination

• Machine, assemblies and available operating modes
• Water, drain and electrical connections
• Signs of repair, leaks and use

Sample questions for the expert

• Can the reported defect be reproduced under the test conditions?
• What technical causes could explain it?
• Are there signs of repair, incorrect connection or external exposure?
• What additional checks are needed to distinguish the causes?

The final questions are formulated according to the objects and circumstances of the particular task.

What to prepare

• Model, serial number, receipt and handover documents
• Description of operating mode, conditions and time of occurrence
• Service records, correspondence and repair history
• Instructions and photos of installation and connections

How the examination is conducted

Checks are selected for the symptom and their conditions recorded. Functions checked and those unavailable without connection or disassembly are listed separately.

Scope and limitations

A brief inspection without symptoms does not rule out an intermittent defect. The need for disassembly and its scope are agreed in advance.

What the deliverable records

The report records condition, reproduced symptoms, supported causes and limitations of the checks performed.