User's Manual

Operation
313599P 15
Operation
Start Up
When all electrical and fluid connections are complete,
reconnect the power source and turn it on.
NOTE: See your Operation manual for system operating
instructions.
Pressure Relief Procedure
1. Turn off the fluid supply to the meter.
2. Follow the Pressure Relief Procedure in your
operation manual.
NOTE: Do not service the electronic sensor. Return it to
your Graco distributor for service.
Check I/O Board Jumper (only if
necessary)
1. Unscrew the outer cover (A). Press the latches (B)
to release the display module (C). Disconnect the
ribbon cable (D) from the middle board (E). Remove
the display module.
2. Remove two screws (F) and the inner cover (G).
Insert a thin pin into the hole (H) and pull out the I/O
board.
3. V4 on the I/O board must be jumpered and V5 must
not be jumpered. If that is the case, no action is nec-
essary and you may reinstall the board. If the oppo-
site is the case, remove the jumper from V5 and
place it on V4, then reinstall the board.
4. Reassemble in reverse order.
Follow Pressure Relief Procedure when you stop
spraying and before cleaning, checking, servicing, or
transporting equipment.
NOTICE
If the meter does not operate after following all proce-
dures in the Installation section, starting on page 6,
check the position of the I/O circuit board jumper as
follows. To avoid damaging the circuit board, wear a
grounding strap on your wrist and ground appropri-
ately.
FIG. 11. Check I/O Board Jumper
TI14288a
Detail of I/O Board
A
B
C
D
E
F
G
H
1/O
V4 (jumpered)
V5 (not jumpered)