Support

A Snapshot of Changing Charts

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Causes and Troubleshooting:

1. The chart may be hung up or restricted, possibly caused by a rip on the outer edge of the chart. 

2. The chart may also be caught between the arm and pen arm platform.

3. The incorrect chart may have been installed for the selected chart speed.

4. To ensure that the gears are not binding or slipping, manually advance the chart one full rotation with the chart rotation button. 

Changing Pens Can Be Easy and Important

Learn more in Chart Recorder Topics

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About Pen Adjustment

• Pen adjust may be needed if the pen(s) and display do not match.
• Before proceeding check your calibration date, the unit may be due for a recalibration, if so contact Dickson.

How to use Adjust the Pens

Pen Adjustment:

1. While the unit is on, press and hold both the Pen Home button and the On/Off button (making sure to press the Pen Home button first so the unit will not turn off). 
2. The led will blink rapidly between amber and green for about five seconds, the LED will then turn green, release the Pen Home and On/Off buttons. The led will flash amber and green for one second and the led will turn off.

Warning
Pressing the On/Off button will exit the adjustment and return the unit to normal operation. Each time the pen home or On/Off button is pressed, the adjustment currently in progress will be stored. The unit will take one minute to exit Pen Adjust Mode once the On/Off button is pressed.

One Pen Model:

The red pen will move to the outer edge of the chart and is ready to be adjusted. 

1. Use the Adjust-Up and Adjust-Down buttons to move the pen to the maximum temperature line on the chart. 
2. Once the pen is set, the Pen Home button will move the pen to reaffirm the new pen position. 
3. Press the On/Off button to exit pen home adjust.

Two Pen Models :

Both pens will move to the outer edge of the chart, and then the shorter red pen will move to the current position. 

1. Use the Adjust-Up and Adjust-Down buttons to move the pen to the maximum temperature line on the chart. 
2. Once the shorter red pen is set, the Pen Home button will move the shorter red pen to the outer edge of the chart and the longer blue pen will move to its current position. 
3. The Adjust-Up and Adjust-Down buttons will adjust the longer blue pen position. 
4. Once the pen is set, the Pen Home button will move the longer blue pen to the outer edge of the chart and the shorter red pen will move to its new position. 
5. Each time pen home is pressed the two pens will switch positions (moving the most recently adjusted position) until the On/Off button is pressed to exit pen adjust model 

Warning
Pressing the On/Off button will exit the adjustment and return the unit to normal operation. Each time the pen home or On/Off button is pressed, the adjustment currently in progress will be stored. The unit will take one minute to exit Pen Adjust Mode once the On/Off button is pressed.

Causes and Troubleshooting:

1. Is the Pen Arm screw secure? If not, tighten until it is properly secured. 

2. Is the Chart Recorder sitting on or mounted to a surface prone to vibration? If so, consider relocating the recorder. 

3. For Temperature only units, try removing the unit from the application and placing it in an isolated, low air flow environment like a zip lock freezer bag or desk drawer. If the pen traces straighten out, the traces may have actually been caused by the changes in your application.