THEORY
Ve ct or™ H Se ries ▪ S ervice Ma nual ▪ MN -4 6 54 3 ▪ R ev 01 ▪ 11/ 19
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THEORY
Standby State
Background The main disconnect switch is in the ON position, the display is not illuminated.
Each chamber will transition to the cool down state if the chamber temperature
is greater than 170°F (77°C).
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 OFF
LCD backlight OFF
Heaters OFF
Cooling fans OFF
Blower OFF
Buzzer / speaker OFF
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