AC line supplying power has

Review routing of power wires

 

too much noise.

in machine to minimize

 

 

electrical noise. Look for other

 

 

devices which share the same

 

 

circuit and may be producing

 

 

unacceptable levels of line

 

 

noise. In some applications,

 

 

such as welding equipment, a

 

 

careful regiment of applying an

 

 

AC line filter, re-routing wires,

When power is applied, “LF-L”

 

dividing circuits, using shielded

OR “LF-H” is displayed.

 

cable, and properly grounding

 

 

devices will usually solve the

 

 

problem.

 

 

 

 

AC line supplying power to unit

The unit is designed to operate

 

has an abnormally high

with AC lines from 48-62 Hertz

 

frequency.

(cycles per second). This is

 

 

typically not a problem because

 

 

the international standards are

 

 

50 and 60 Hertz.

 

 

 

Other service problems or questions can be answered by contacting the Service Department.

Additive Feeders

Chapter 7: Troubleshooting

45 of 55

Page 45
Image 45
Sterling AF-XXX specifications Additive Feeders Troubleshooting