Operating instructions
Interlock List
6 Copyright © 2013 EVG
1.3 Over Temperature Sensor
The over temperature sensor checks the temperature of the heaters.
1.3.1 Over Temperature Sensor in the Electronic Rack
(3a)
Sensor:
Temp.limiter TB45 TB/TW-2INP with BC
Function:
If the temperature is higher than 650°C the chamber will be disabled.
Recovery Procedure:
1) Reset the temperature limiter TB45.
2) Enable the chamber.
3) Check the heating and start a new process.
This failure occurs only when there is a problem with the hardware. In
this case call EV Group!
1.3.2 Over Temperature Sensor at the Bond Cover (3b)
Sensor:
Temperature switch R2811EN 65°C nc (marked with “a” in picture
below)
Function:
If the temperature is higher than 63°C the station will be disabled.
Recovery Procedure
Permit a cool down and check the cover cooling (cooling chuck marked
with “b” in picture above). Enable the station and start a new process.
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