F U N C T I O N T E S T S
4)Remove milk frother from platform.
5)Insert red test probe in central opening of milk frother connector (ground con nection).
6)Press "measure" button.
7)Read off displayed insulation resist ance or test result.
8)Switch off test equipment.
9)Short red with black test probe to make sure that test voltage is dis charged.
10)Fill in result in test report.
9.9.4 What to do if the insulation test fails
Risk of damage!
A sparkover can damage the electronic control board and sensors etc.
•Assume that the coffee machine is defect after a failed insulation test.
•Check wiring and locate fault. After fault clearance proceed with troubleshooting check list (see page 49).
•In case of doubt an insultation test on the milk frother alone can be carried out on the coffee machine Citiz & milk: touch phase and neutral contacts at the bottom with one test probe successively and the metallic upper part with the other test probe. If insulation test fails, replace milk frother.
Citiz service manual | 147 |
