APG PWS Paddle Wheel user manual - Manual (Page 12)

PWS Series Rev. A1, 4/07
12
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]
• Shaft and spindle is damaged.
Remedies
• Connect the power.
• Repair power supply
• Wire correctly
• Calibrate sensitivity or replace paddle
• Install sensor in good location
• Replace unit.
Symptom
Paddle is not covered by materials. Relay energized.
Possible Causes
• Insuffi cient power supplied.
• Miswiring
• Heavy deposit on shaft
• Material has dead stock
• Temperature too high
• Shaft is bent or damaged.
Remedies
• Connect the power.
• Repair power supply
• Wire correctly
• Calibrate sensitivity or replace paddle
• Install sensor in good location
• Replace unit.
Symptom
Relay chatters
Possible Causes
• Insuffi cient power supplied
• Loose cables
• Material too fl uid
Remedies
• Repair power supply
• Tighten connections
• Use a time delay relay.