Graco 25U085, Инструкция по эксплуатации

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Troubleshooting
18 3A8307D
Alarms
Meter does not shut off at the preset
value
Preset limit incorrectly set Set AddL (Additional Dispense Limit)
to a lower value to prevent mishaps.
Valve seat (30) is worn Replace the valve seat (30).
Trigger is manually held open when
the solenoid activates
Latch the trigger during present dis -
penses.
Weak batteries Replace old batteries with four (4)
new batteries - E91 alkaline Ener -
gizer recommended.
Trigger assembly is damaged Replace the trigger assembly
(18F172).
Dynamic inlet pressure is exceeded Reduce the flow rate, fluid viscosity
is causing excessive pressure drop.
Solenoid damaged Replace the solenoid (18F171).
The temperature limit is exceeded Limit the operating temperature to
the maximum allowed.
Faulty solenoid wire connection Check and repair, as needed, the
solenoid wire connection to the ter -
minal block within the bezel housing.
Leaks from nozzle Worn nozzle seals Replace the nozzle (4).
Valve seat (30) is worn Replace the valve seat (30).
Alarm Alarm Type Cause Solution
PrE Over-Dispense Alarm Fluid flow does not stop upon
reaching the present amount.
See Troubleshooting , page17.
AddL Limit-Exceeded Alarm The trigger is manually held open until
the pre-defined limit is exceeded.
Release trigger or adjust the limit to
a larger amount.
Err7 Calibration Error An out of range of normal invalid
calibration factor is obtained during
calibration operation.
Recalibrate the meter. Make sure
that the correct unit of measure is
selected and that the correct
volumetric calibration container is
being used.
Contact Graco Customer Service if
recalibration is unsuccessful.
bAtt Low Battery Alarm The battery voltage is too low to
operate the meter.
Replace batteries.
One of the batteries is installed with
incorrect polarity.
Check for proper polarity for all four
(4) batteries, and correct as
needed.
Problem Cause Solution