Symbolic illustration
of function test equip-
ment.
46
F U N C T I O N T E S T S
8
F U N C T I O N T E S T S
8.1
Safety instructions
Some function tests are performed with an energized, partly opened coffee machine.
Danger of electrocution!
Mains voltage inside the coffee machine.
Do not touch any live part while performing tests.
Danger of burns!
Hot parts and water under pressure inside the coffee machine.
Do not touch any hot parts while checking for leakages!
Always wear protective goggles.
8.2
Required equipment
8.2.1 Overview
1
4
1) Electronic thermometer
2) Timer
3) Measuring cup
U service manual
3
2
5
4)
Test equipment for protective earth con-
tinuity test and protective insulation test
5) Flashlight
Version 1.2 en