Operator manual
110--233
STD22 Compact and STD22
30
3646/110--233.DOC010102
Edition: May 20, 2005
3.1
Warnings, their causes, and what to do
There are five different warnings (numbered 1 to 6, warning 6 is not used).
These warnings are displayed on the compass’s digital display after the B38 or B39
buttons have been pressed once.
Warnings 1 to 3 are displayed when button B38 is pressed, and warnings 4--6 are
displayed when button B39 is pressed.
If several warnings occur at the same time, all of the warnings are displayed.
The warnings are as follows:
1 = fan failure
2 = heater failure
3 = supporting liquid temperature is higher than 60
°
C
Button B38
4 = supporting liquid level is too low
5 = After voltage cut-off
6 = not used
Button B39