TROUBLESHOOTING GUIDE
60089-05
Page 9
PROBLEM
POSSIBLE CAUSES/AREAS TO CHECK
REMEDY
Unit Will Not Run
Check Electrical Supply
Verify that requirements are met (115/120v,
100” extension
Check motor controller fuses
Replace
Motor / Gear box failure
Replace
(ALWAYS remove power when
servicing)
Switch in dispense assembly handle
Replace if unit runs when bypassed
Unit runs but no flow/low
flow of materials
Improper material supply to pumps
Clear obstruction in tank bottom
Worn Pumps
Verify that material being used is non-abrasive
Check chain drive
Tighten / replace drive chain
Air in material supply
Tighten / seal all material fittings
Ratio check NOT okay
Blockage of hoses
Blockage in dispense assembly
Blockage in pump
Clear / replace
Clear / replace
Replace
Rebuild
Plugged hoses or dispense manifold
Clear or replace
Too much flow
Motor speed control
Reduce setting
Check motor speed setting
Adjust per controller manual
Irregular flow
Check valves sticking / blocked
Disassemble & Clean
Blockage at pump inlet
Remove tank & inlet; clear
Blockage in hoses
Clear / replace
Blockage in static mixer nozzle
Replace
Material not curing
Material off ratio
1. Check material by hand; mix sample of
A&B in proper ratio
2. Do a system ratio check
Timing sprockets wrong size
Correct / replace
A or B pump seals leaking
Rebuild pump
A or B check valves sticking (in dispense
assembly)
Disassemble, clean & rebuild; use new o-ring
Static mixer worn or plugged
Replace
Static mixer does not have enough
elements for proper mix
Increase mixer size
Lead in one material coming out of
dispense manifold; Air in material
Follow air bleed procedure
Foreign object or cured material in pump
or pump inlet
Remove tank & inlet, then clear or rebuild pump