Contents Introduction ............................1 Questions and concerns ........................1 Conventions used in this manual ....................1 Operating precautions ........................1 Certified installer or service person ....................2 Required tools ..........................2 Replacing the Input Board ........................3...
Introduction This manual contains instructions for replacing the input board on the Franklin Fueling Systems (FFS) EVO 200 and EVO 400 Automatic Tank Gauges (ATGs). You must follow all safety information, warnings, instructions, and other information in this manual. Please read this entire manual carefully.
CAUTION: Use only original FFS parts. Substituting non-FFS parts could cause the device to fail, which could create a hazardous condition and/or harm the environment. WARNING: Follow all codes that govern how you install and service this product and the entire system.
Replacing the Input Board IMPORTANT: Make sure you wear a grounding strap during this entire procedure. If you do not, your EVO 200 or EVO 400 ATG could be permanently, severely damaged, and your warranty could be voided. IMPORTANT: Lift the cover away carefully to help avoid damaging the LED light pipes. WARNING: Your ATG has more than one power connection point.
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3. Press in one of the side tabs on the display until it is disengaged, and then press in the other side tab. Flip the LCD display down when both side tabs are disengaged. IMPORTANT: Put the 2-pin stacker display ground you remove in the following step in a safe place.
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IMPORTANT: In the following step, your large, white ribbon cable connector may not have the latches shown. Be extremely careful and gentle when you remove this cable. The connector is very delicate. If you break it, you must replace the entire main circuit board. 6.
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9. Pivot the display assembly until the other hinge tab is disengaged, and then lift out the display assembly. 10. Remove the WiFi antenna (if present). 11. Use two 5/16" (8 mm) wrenches to remove the WiFi antenna connector. 12. Use a Phillips screwdriver to remove the Phillips screws in each of the four corners of the main board.
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IMPORTANT: In the following step, make sure you gently remove the 23-pin board stacker to avoid deforming it. 15. Use both hands to gently pull the 23-pin board stacker strait up. You must lift both sides of the stacker evenly to avoid deforming it. Place the stacker in a safe location when you have removed it.
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18. Lift the input board out of the console. 19. Lower the new input board gently into the console so that the holes for the standoffs and Phillips screws are aligned. Start securing the board from the lower left screw, which is smaller in diameter and serves as a pilot hole.
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24. Use two 5/16" (8 mm) wrenches to install and tighten (do not overtighten) the WiFi antenna connector. 25. Reinstall the WiFi antenna (if you have one). 26. Insert the left or right hinge tab on the replacement LCD display assembly in its corresponding hinge hole.
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28. Connect the 4-pin ribbon cable to the TOUCH SCREEN connector. IMPORTANT: In the following step, your large, white ribbon cable connector may not have the latches shown. Be extremely careful and gentle when you connect this cable. The connector is very delicate.
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31. Insert the 2-pin stacker display ground (that you removed earlier) into the J-18 connector, Make sure you insert it into the holes that are closest to the center of the main circuit board. 32. Flip the display up, and press in the latches on the display holder so that they click into their holes in the barriers.
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