THEORY
Vector™ H Serie s ▪ S ervice M an ual ▪ MN-4 6 543 ▪ R ev 01 ▪ 11/ 1 9
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On State
Background The main disconnect switch is in the ON position, the display is illuminated. The
logo will appear along with the firmware versions on the display. After five
seconds, the LCD will display the home screen.
WARNING: Electric shock hazard.
Voltage is present at the following components:
•Terminal blocks
•Circuit breakers
•Heater elements, one wire on each element
•Check indicator light
•Thermal switch for the check fan indicator light
•Transformer
•Control board power supply
•Chamber high limit switches
Component State
Control panel ON
LCD backlight ON
Heaters OFF
Cooling fans OFF
Blower OFF
Buzzer / speaker OFF
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