Troubleshooting - Graco e-Xtreme Operation, Repair, And Parts

Troubleshooting

Troubleshooting
Troubleshooting Troubleshooting
NOTE: Check all possible remedies before
NOTE: NOTE:
disassembling pump.
Problem
Problem Problem
Pump output low on
both strokes
No output
Pump will not operate
No Pressure or Flow
Driver does not turn on
Output low on down
stroke
Output low on up stroke
18
Cause Cause Cause
Exhausted fluid supply
Clogged fluid outlet line, gun*,
etc.; the hose inner diameter
is too small
Worn piston packing
Improperly installed intake or
piston check valves
The intake valve is clogged.
Exhausted fluid supply
Exhausted fluid supply
Clogged fluid hose or gun*
Fluid dried on the piston rod
Driver parts are worn or
damaged
Fluid is leaking from the
rupture disk
The intake valve is clogged.
Leaking drain valve
Over voltage (over 300 V)
No power to the control board. Verify that the power supply is connected.
Open or worn intake valve
Open or worn piston valve
packings
NOTE: The status indicator (L) on the driver will blink
NOTE: NOTE:
if an error is detected.
Solution Solution Solution
Refill and prime the pump.
Clear the hose, outlet check valve, or gun; use
the hose with the larger inner diameter.
Replace. See the pump lower manual.
Check and repair. See pump the lower manual.
Clean the intake valve.
Refill and prime the pump.
Refill and prime the pump.
Clean the hose or gun.
Disassemble and clean the pump (see the lower
manual). In the future, stop the pump at the
bottom of the stroke. Keep the wet-cup filled
with compatible solvent.
Repair or replace the driver. Remove the lower
from the driver. If the driver will not cycle and
does not blink an error code, then troubleshoot
the driver or replace.
Replace the rupture disk; do not replace with a
pipe plug.
Clean the intake valve.
Close or replace the drain valve.
See power supply requirements in the Driver
Installation manual.
check the junction box connections.
Clear or service the intake valve.
Clear the piston valve. Replace the packings.
3A3164D