Owner manual

Operation 4-25

3. In the Heater Control Window (Figure 4-12), locate the loop (channel) for the heater to be

operated.

Item Description Item Description

1 Heater Loop - ON 4 Temperature Set Point Column

2 Heater Loop - OFF 5 Present Temperature Value Column

3 Channel (Loop) Name Column 6 Message Column

Figure 4-12 Activating the Needle Heater

4. Activate the needle heater by double clicking the icon in the On/Off column until the heater

loop icon

turns yellow and red.

 NOTE To change heater temperature, double click on the heater loop name. A heater

parameters dialog box will appear.

The heater is operating properly if both of the following are observed:

• The Message column displays the message “OK.”

• The Present Value (PV) column indicates the heater is heating up to, and stabilizing

at, the set point (SP).

5. If the heater is operating properly, click on

Exit to close the Heater Control Window. If it is

not operating properly, troubleshoot as described in 5.5.5 Fluid Heaters. Call a service

technician if necessary.