AIXTRON - Dokumentation CONFIDENTIAL 151
6
crius_II_en_00, Edition 06/2010
System Manual Maintenance
CRIUS II Main power supply
6.7.3 Checking the fuses
The fuses are located in the electrical cabinet.
Fig. 6-7 Fuses
1 Open the corresponding doors
2 Check the switching function of the fuses by means of a voltmeter
6.7.4 Checking the over-current circuit breakers
The system contains over-current circuit breakers. They are located in the
electrical cabinet and in the heater supply unit.
Fig. 6-8 Over-current circuit breakers
ASwitch
B Over-current value
C «Test» switch
1 Open the corresponding doors
2 Check the correct setting of the over-current value
• The required value is 40 A
3 Activate the «Test» switch using a screw driver
• The circuit breaker must switch off
4 Switch on the circuit breaker after the test procedure