Graco A Series Instructions-Parts List Manual page 12

Troubleshooting
PROBLEM
Spray icon does not show
on display when fluid is
sprayed
continued
Spray icon is always shown
on display
12
CAUSE
A connector on wiring harness (58)
or on reed switch (207) is damaged
Cut or sliced wire
Control board is damaged
Display is damaged
Interrupter (213) is improperly posi-
tioned
Reed switch assembly (207) is dam-
aged
SOLUTION
Disconnect reed switch and 5-pin connector
from back of control board. Check continuity
between pin 1 on 2-pin connector and pin 1 on
5-pin connector. Check continuity between pin
2 on 2-pin connector and pin 4 on 5-pin con-
nector. If there is no continuity in either case,
replace wiring harness (58). If there is continu-
ity in both cases replace reed switch assembly
(207).
Replace wiring harness (58)
Replace control board
Replace display
Turn screw (215) clockwise until spray icon is
synchronized with fluid spray
Replace reed switch assembly (207)
309414N