APG MLS Movable Float user manual - Manual (Page 10)

MLS Series Rev. B1, 4/07
10
Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
• Trouble Shooting
Use the following information to troubleshoot the malfunctioning sensor. If
the remedies are unsuccessful, ask APG for repair or replacement.
Problem
Liquid exceeds the actuation level, but switch does not activate
Possible Causes Remedies
SG is larger than 0.85 Choose another technique
Miswiring Wire correctly
Set for improper fl oat travel-stop Adjust position according to “Assembly”
Liquid immerse in fl oat
Replace the switch
Aff ected by deposit Clean the switch
Microswitch is damaged Replace the microswitch
Problem
Liquid does not exceed the actuation level, but switch activate
Possible Causes Remedies
Miswiring Wire correctly
Set for improper fl oat travel-stop Adjust position according to “Assembly”
Aff ected by deposit
Clean the switch
Microswitch is damaged Replace the microswitch