Sterling Welder 882.00274.00 Benutzerhandbuch

Additive Feeders 

Chapter 6: Troubleshooting 

37 of 50 

Field contact jumper (J1) has not 
been removed.  AUTO MODE. 

Remove jumper and wire the 
terminals to the processing 
machine relay. 

Field contact to the processing 
machine has failed. 

Check wiring/check the relay on 
the processor. 

Motor switch has failed. 

Replace. 

Field contact to process machine 

missing or loose. 

Correct. 

Control relay has failed. 

Replace. 

Motor control has failed. 

Replace. 

Optional timer set incorrectly. 

Reset. 

Motor will not stop. 

Optional timer has failed. 

Replace. 

Signal from motor speed sensor 
missing. 

Secure the sensor connections. 

Motor control has failed. 

Replace. 

Motor speed sensor has failed. 

Replace. 

Motor runs only at maximum 
speed. 

Motor speed sensor magnet 
misaligned. 

Adjust. 

Intermittent signal from motor 
speed sensor. 

Secure the sensor connections. 

Motor speed sensor has failed. 

Replace. 

Motor control has failed. 

Replace. 

Motor speed not constant. 

Material flow problem. 

Inspect for blockage, etc. 

Additive is contaminated by 
color from previous run. 

Feeder was not cleaned 
adequately prior to operation. 

See Section 5-2 on Page 34 for 
cleanout instructions.