OK International Water Dispenser DX-200/215 Datenbogen

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TROUBLESHOOTING 
 
PROBLEM POSSIBLE 
CAUSE 
CORRECTION 
LCD does not 
light 
• 
No power input 
 
 
• 
Check power cord 
connections 
• 
Turn on power 
 
System will not 
actuate 
• 
Foot switch not 
plugged in or 
improperly 
plugged in 
• 
Defective foot 
switch 
 
• 
Broken wire or 
loose connection 
inside unit 
 
• 
Defective 
solenoid 
• 
Defective PC 
board 
 
• 
Check foot switch 
connection 
 
• 
Foot switch needs 
to be repaired or 
replaced 
• 
Unplug power cord 
and disconnect air 
supply.  Remove 
cover and check 
for broken wires or 
loose connections 
 
• 
Replace solenoid 
• 
Replace PC board 
 
System will not 
pressurize 
• 
Insufficient air 
pressure 
• 
Air hoses not 
plugged in 
• 
Regulator 
defective 
• 
Increase air supply 
pressure 
• 
Check connection 
• 
Replace regulator 
System will not 
pull vacuum 
• 
Vacuum setting is 
too low 
• 
Defective 
solenoid 
• 
Defective 
vacuum venturi 
• 
Defective 
vacuum needle 
valve 
 
• 
Increase vacuum 
setting 
• 
Replace solenoid 
valve 
• 
Replace venturi 
• 
Replace needle 
valve 
Inconsistent 
dispensing 
• 
Air bubbles in 
Adhesives 
• 
Dispense time is 
too low 
• 
Dispense needle 
started to clog 
• 
Reduce vacuum 
setting 
• 
Increase 
dispensing time 
• 
Replace needle 
 
 
8
 
MAINTENANCE  
 
The dispenser is designed and built to be relatively maintenance free.  To assure 
trouble free operation, the following recommendations should be followed: 
1. 
Make certain air supply is clean and dry. 
2. 
Avoid turning barrels upside down or laying barrel so that material may 
run through air line to internal components. 
3. 
Avoid connecting the unit to excessive moisture or solvent saturation. 
4. 
Avoid connecting air supply exceeding 100 psi (6.9 bars)  
5. 
Use only Amyl Alcohol to clean outside surface of the main housing. 
6. 
Use only soft cloth to clean the LCD. 
 
10  SPARE PARTS  AND ACCESSORIES 
 
For DX-3xx/2xx spare parts and accessories information, please visit the DX-
3xx/2xx User Guide webpage at http://www.okinternational.com 
 
 
 
 
11  LIMITED WARRANTY 
 
OK International warrants this product to the original purchaser for a period of one 
(1) year from date of purchase to be free from material and workmanship defects but 
not normal wear-and-tear, abuse and faulty installation.  Defective product or 
subassembly and components under warranty will be repaired or replaced (at OK 
International's option) free of charge. Customer with defective product under 
warranty must contact the nearest OK International office or distributor to secure a 
return authorization prior to shipping the product to the assigned OK International 
authorized service center.  For nearest OK International office or distributor contact 
information, please visit www.okinternational.com.   OK  International reserves the 
right to make engineering product changes without notice. 
 
12  I/O Configuration and End of Cycle Switch 
 
For DX-3xx/2xx I/O Configuration and End of Cycle Switch information, please 
visit the DX-3xx/2xx User Guide webpage at http://www.okinternational.com