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Replacing the Barrier Board Fuses
NOTICE
To avoid damaging the circuit boards when
servicing the control box, wear Part No. 112190
grounding strap on your wrist and ground
appropriately.
To avoid electrical component damage, remove all
system power before plugging any connectors.
1. Follow steps 1–4 under
Replacing the Barrier Board, page 40.
2. Remove the fuse (F3 or F4) from its fuseholder.
3. Snap the new fuse (Graco PN 15D979) into the
fuseholder.
4. Follow steps 7–11 under
Replacing the Barrier Board, page 40.
Replacing the Enhanced Fluid Control Module (EFCM)
NOTICE
To avoid damaging the circuit boards when
servicing the control box, wear Part No. 112190
grounding strap on your wrist and ground
appropriately.
To avoid electrical component damage, remove all
system power before plugging any connectors.
1. Follow the steps in Before Servicing, page 34.
2. Loosen the screws (124) and remove the
enclosure cover (117, not shown).
3. Note the position of the EFCM input and output
cables. See Electrical Schematics, page 27.
Disconnect the cables from the EFCM (139).
4. Loosen the screws (142) holding the EFCM to
the enclosure. Remove the module.
5. Install the new EFCM, using the screws (142).
6. Reconnect the cables to the positions as noted
above.
7. Turn on power at the main circuit breaker.
8. Load the software to the ADM. See
Install Key Token or Upgrade Token, page 36.
9. Turn on the control box power switch. Check that
the green is on, the orange and yellow LEDs are
blinking, and the red LED is off.
10. Reinstall the cover (117) and tighten the screws
(124).
Figure 26 Replacing the EFCM Control Module
332709B
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