Thermo Scientific Neslab Merlin M 75, Manual

Page: 88 / 107

4 - 2 Merlin
Chapter 4
Thermo Scientific
Low process flow warning/fault
Fluid low level fault - chiller shuts down
Chiller reaction to warning/fault errors depend on how the chiller is
configured, see Setup/Tuning Loop in Chapter 2. The chiller is shipped
configured to continue running. If any other code appears contact our
customer service.
The controller can display the installed software version number. For
example, for a chiller with software version 026950.1A :
1. Chiller is running normally and displaying recirculating fluid temperature.
2. Press and hold for at least 10 seconds. The display will show the first
two digits, for example: .
3. Press
The display will show the remaining digits to the left of the decimal, for
example: .
4. Press
The display will show the decimal point and the digit to the right of the
decimal point, for example, .
5. Press
The display will show the revision letter, as its equivalent number, for
example, = A.
6. Press
Disregard this display.
7. Press
The display returns to the recirculating fluid temperature.
Displaying
Software
Version Number