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Troubleshooting
Troubleshooting
Troubleshooting
NOTE:
NOTE:
NOTE: Check all possible remedies before
disassembling pump.
NOTE:
NOTE:
NOTE: The status indicator (L) on the driver will blink
if an error is detected.
Problem
Problem
Problem
Cause
Cause
Cause
Solution
Solution
Solution
Exhausted fluid supply
Refill and prime the pump.
Clogged fluid outlet line, gun*,
etc.; the hose inner diameter
is too small
Clear the hose, outlet check valve, or gun; use
the hose with the larger inner diameter.
Pump output low on
both strokes
Worn piston packing
Replace. See the pump lower manual.
Improperly installed intake or
piston check valves
Check and repair. See pump the lower manual.
The intake valve is clogged.
Clean the intake valve.
No output
Exhausted fluid supply
Refill and prime the pump.
Exhausted fluid supply
Refill and prime the pump.
Clogged fluid hose or gun*
Clean the hose or gun.
Fluid dried on the piston rod
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.
Pump will not operate
Driver parts are worn or
damaged
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.
Fluid is leaking from the
rupture disk
Replace the rupture disk; do not replace with a
pipe plug.
The intake valve is clogged.
Clean the intake valve.
No Pressure or Flow
Leaking drain valve
Close or replace the drain valve.
Over voltage (over 300 V)
See power supply requirements in the Driver
Installation manual.
Driver does not turn on
No power to the control board.
Verify that the power supply is connected.
check the junction box connections.
*
To determine if the fluid hose or gun is obstructed, follow the
. Disconnect
fluid hose and place a container at pump fluid outlet to catch any fluid. Turn pressure adjustment knob just
enough to start the pump. If the pump starts, the obstruction is in the fluid hose or gun.
3A8126B
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