Heater – Heidolph LABOROTA 20 compact and safety User Manual
Page 84

84
E
For more information refer to Troubleshooting Section.
12. Heater
Change between Act Bath, Set Bath and Act Chiller with set key. Act Bath, Set Bath or Act Chiller
LED turns ON.
Act Chiller is the actual coolant temperature, which is the basis for the T auto vacuum control
mode.
To set heating bath temperature, select Set Bath LED.
Display
now shows the heating bath’s nominal temperature with a 1/10 of a degree C resolution.
Change heating bath temperature with the Set keys.
Not pressing one of these keys for 5 seconds will cause the display returns to “Act” mode. The last
figure entered is saved.
The Start Stop key turns the heater ON.
Pressing the key once more will discontinue heating.
The Heater LED illuminates as long as the heating mode is kept active, the Heater control LED
illuminates as long as heating current flows. (Act Bath < Set Bath)
Should the Heater LED remain dim after pressing the Start Stop key, please check to see if the
Over temperature Protection LED is ON or flashing.
For more information refer to Troubleshooting
Section.
increase
decrease
Act Bath LED
Display
Heater LED
Heater control LED
Act Chiller LED
LEDLED
Start / Stop
key
Select
key
Set Bath LED