5 Putting HTK 1200N into Operation
26
B40IB006EN-D
5.7 Turning on the Instrument
If possible, switch on CCU 1000 with the cooling wa-
ter turned OFF in order to test the water flow monitor
when starting operation.
Proceed as follows:
1. Press the mains switch on the front panel of
CCU 1000.
The micro controller of CCU 1000 will initialize:
•
All display elements and all LEDs on the front
panel will light up for a few seconds.
•
After a few seconds, the micro controller
switches to the normal mode of operation.
CCU 1000 is in the following status:
-
the temperature set point (SP) is set to the
default value of 25 °C
-
the HEATER is off
-
the Error LED is flashing
-
the display shows E03 to indicate that there
is no water flow
2. Turn on the cooling water supply.
-
The alarm message disappears and the
flashing of the Error LED stops.
3. Press the HEATER button to start control of the
sample holder temperature.
If the instrument condition is OK, the green HEAT-
ER LED lights up and all error messages disappear.
The sample holder is now heated to 25 °C with the
default heating rate SPR.
If the status of the system is not OK, an error code
appears on the display, the controller turns off the
heater and the Error LED is flashing.