Troubleshooting
Troubleshooting
NOTE: This section covers the most common problems encountered while setting up, programming or using the product. Do not forget to always download in the device after changing settings in Graco Gateway.
General Troubleshooting
PROBLEM | CAUSE | SOLUTION |
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Unit screen is blank and PWR LED is | No power applied to the unit. | Check power supply. Units require 24 |
off. |
| VDC, ± 10%. |
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Unit screen is blank and PWR LED is | Contrast too low (Graco Gateway | Program one of the soft keys with the |
on. | only). | action as User Defined and the fol- |
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| lowing code in the field On Pressed: |
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| dispcontrast++ |
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| No primitives on the display. | Add objects to the User Interface in |
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| Graco Gateway. |
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| Backlight is off. | Push one of the soft keys to turn it |
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| back on. |
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| Backlight tube is broken. | Replace the backlight tube. |
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Unit continually cycles on and off. | Remove one of the references or use | |
| Var1 uses Var2 as maximum which in | formula tags for indirect reference, |
| turn uses Var1 as minimum. | e.g., Form1 is equal to Var1 and used |
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| in Var2 minimum instead of Var1. |
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| Database is corrupted. | Create a new database or send to |
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| technical support for debugging. |
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Unit cycles power after an operation. | Most likely a program going in an | Check if the operation launches pro- |
| endless loop. | gram containing loops with no exit |
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| point. |
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CF LED flashing slowly. | CF card corrupted or invalid. | Format the card from Graco Gateway |
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| using the Link > Format Flash menu. |
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32 | 312785C |
