Repair

Smart Module Replacement

If the Error display appears, the Smart Module has lost communication with the power supply. Check for good connections between the Smart Module and the power supply.

If the module’s LEDs are not lighting, replace the module.

1.See Prepare the Gun for Service, page 39.

2.Remove the pivot screw (31e), o-ring (31f), and ES HI/LO switch (31c) at the bottom left corner of the Smart Module cartridge (31a).

3.Remove the remaining three screws (31d) from the cartridge.

4.Pull the Smart Module out the back of the gun. Disconnect the ribbon cable (RC) from the connector (GC) in the gun handle.

5.Remove the gasket (31b).

6.Install a new gasket (31b) on the new cartridge (31a). Make sure the notched corners of the gasket are at the top.

7.Align the module’s ribbon cable (RC) with the gun’s cable (GC) and slide them securely together, as shown. Tuck the connected cables into the recess of the gun handle. Install the module flush to the back of the gun handle.

8.Install the pivot screw (31e), o-ring (31f), and ES HI/LO switch in the bottom left corner of the cartridge (31a).

9.Install the three remaining screws (31d). Torque to 7–9 in-lb (0.8–1.0 N•m).

Figure 42 Smart Module

Figure 43 Align Ribbon Cables

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3A2495C

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Image 52
Graco 3A2495C important safety instructions Smart Module Replacement