Troubleshooting - Welch Allyn Kreativ User Manual

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Refer to the following table before you contact your Welch Allyn / Kreativ service representative.
Problem
Error Code 35
Error Code E-42-1 (Lo Pdr)
Error Code E-42-2 (Lo Air)
All other error codes
No Power
No powder flow when footswitch
is activated
Powder flow from handpiece hose
Air flow from nozzle when
footswitch is not depressed
Cutting rate is inaccurate
Erratic powder flow
Powder spray loses definition
Excessive powder inside unit
Error beep when footswitch is
pressed
System fails to depressurize when
switching to Standby mode
If these instructions do not solve the problem, please contact Welch Allyn / Kreativ
Technical Support at: (888) 579-1478 (US Only) or (858) 621-6611(Fax
Possible cause
Footswitch down on Power Up
Low Powder
Low input pressure
Call local service rep
Power supply unplugged
Main switch OFF
Main switch bad
Blown circuit breaker in the
Operatory
Lid is open
Footswitch not plugged in
Particle Energy or nozzle not
properly selected
Handpiece/nozzle clogged
Handpiece inoperable,
handpiece was not in cradle on
power up
Tubing pinched
Powder chamber empty
Air Valve problem
Clogged orifice in chamber
Ruptured handpiece hose
Loss of air pressure due to a
misadjusted pinch valve
regulator
Faulty footswitch
Defective pinch valve
Pinch valve block is not tight
Pressure indicator is inaccurate
or feed system drive failure
Powder caking in chamber
Chamber empty
Nozzle partially clogged
Moisture in air line
Blown pinch tube
Worn nozzle tip
Too much distance from cutting
surface
Hole in tubing.
Hole in pinch tube
Handpiece was not in cradle on
power up
Inoperative valve
990154 Rev. A
Remedy
Check switch
Add powder
Check pressure
Call local service rep
Check plugs
Check switch
Call local service rep.
Check facility power box
Close lid
Check connection
Check LED displays
Check for clog
Replace and remove handpiece
from cradle. If it still does not
function properly, clean the LED
sensor hole with a cotton swab.
Check tubing
Refill powder chamber
Call local service rep
Disassemble and clean chamber
Call local service rep
Put system in Standby and call local
service rep
Put system in Standby and call local
service rep
Put system in Standby and call local
service rep
Put system in Standby and tighten
thumb screws
Call local service rep
Replace powder
Check powder level
Check nozzle
Check filters, replace powder and
filter
Change pinch tubes
Replace nozzle
Work closer
Replace tubing
Replace pinch tube
Put handpiece in cradle and remove
Disconnect air supply and call local
service rep
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