Buchi SpeedDigester K-439 - Sensors; Operating Hours; Unit Information; Service Test

6 Operation
58 K-439 Operation Manual, Version B
8.2.2 Sensors
This submenu enables the user to check the functionality of the following sensors:
• Voltage: xx VAC
• Triac temp.: xx °C
• LCD temp.: xx °C
• Temperature sensor 1: xx °C
• Temperature sensor 2: xx °C
8.2.3 Operating Hours
This submenu enables the user to view the operating hours of:
• Power-on Time: xx h
• Heating Time: xx h
• Row Left: xx h
• Row Right: xx h
8.2.4 Unit Information
This submenu indicates some unit information:
• Version Firmware
• Test Date Print
• Version Print
• Max. Temperature Triac
• Max. Temperature LCD
8.2.5 Service Test
The service test enables the user or engineer to carry out a functionality test, which is also needed for
the Operational Qualification (OQ).