Nordson_EFD_781RC_Operating_Manual.pdf - 第17页

781RC MicroMark Recirculating Spray Marking System 17 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide. Notes

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Troubleshooting Guide
Trouble Solution
Motor does not run.
Check ON/OFF and power
connections.
Pump operating but produces
no flow.
Check tank fluid level. If empty, fill.
If tank fill level okay, check for fluid
line / pump system blockages.
Fluid leaks from pump housing.
Check that pump housing screws
are tight. Inspect gasket for
damage.
Pump binding while motor is
turning.
Clean pump per pump maintenance
/ cleaning instructions.
Fluid is not spraying from valve.
Check if pump speed control is
OFF or set too low. If okay, check if
valve outlet is clogged.
781RC MicroMark Recirculating Spray Marking System
16 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
781RC MicroMark Recirculating Spray Marking System
17www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
Notes
For Nordson EFD sales and service in over
40 countries, contact Nordson EFD or go to
www.nordsonefd.com.
Global
800-556-3484; +1-401-431-7000
info@nordsonefd.com
Europe
00800 7001 7001
infoefd.europe@nordsonefd.com
Asia
China: +86 (21) 3866 9006; china@nordsonefd.com
India: +91 80 4021 3600; india@nordsonefd.com
Japan: +81 03 5762 2760; japan@nordsonefd.com
Korea: +82-31-736-8321; korea@nordsonefd.com
SEAsia: +65 6796 9522; sin-mal@nordsonefd.com
The Wave Design is a trademark of Nordson Corporation.
©2021 Nordson Corporation 7026838 v011821
NORDSON EFD ONE YEAR LIMITED WARRANTY
This NordsonEFD product is warranted for one year from the date of purchase to be free
from defects in material and workmanship (but not against damage caused by misuse,
abrasion, corrosion, negligence, accident, faulty installation, or by dispensing material
incompatible with equipment) when the equipment is installed and operated in accordance
with factory recommendations and instructions.
NordsonEFD will repair or replace free of charge any defective part upon authorized return
of the part prepaid to our factory during the warranty period. The only exceptions are those
parts which normally wear and must be replaced routinely, such as, but not limited to, valve
diaphragms, seals, valve heads, needles, and nozzles.
In no event shall any liability or obligation of NordsonEFD arising from this warranty exceed
the purchase price of the equipment.
Before operation, the user shall determine the suitability of this product for its intended use,
and the user assumes all risk and liability whatsoever in connection therewith. NordsonEFD
makes no warranty of merchantability or fitness for a particular purpose. In no event shall
NordsonEFD be liable for incidental or consequential damages.
This warranty is valid only when oil-free, clean, dry, filtered air is used, where applicable.