Vibratory Feeders
11
Troubleshooting
Reduced or Low
1 2 5 6 7 8 9 11 13
14 16 19
Output
Noisy but Output
2 3 8 9 10 11 12 13
Okay
Noisy Certain
11 13
14
Periods Only
Completely
2 4 5 7 13 15 16
Inoperative
Operating But
2 3 5 6 7 8 9 10 11 12
13
14 16 19
Reduced Output
Output Okay
2
7 8 9 10 11 12 13 14
Too Much Noise
Gradual
Fading
5 7 8 9 10 13 19
Excessive
18
Tray Wear
Turbulent
10
11 14
Flow
Inconsistent
2 3 5 6 7 9 10 11 12 13 14 16 19
Output
De
velop After Satisfactor
y
Initial
Initial Operation
Installation
Misapplication
Tampering or Changing of Base or
Tra
y
Loose Spring Clamp or Tra
y Mounting Bolts
Coil F
ailure
Contr
ol F
ailure
Incorrect V
olta
g
e
Spring F
ailure
Foreign Material Between Tra
y & Reaction Mass
Incorrect T
uning
P
oor or Br
oken
W
eld
on T
ra
y
Incorrect F
actor
y
Adjustment
Sympathetic Vibration in Other Equipment
In Contact with Other Equipment
Line V
olta
g
e
or
Hz V
ariation
Blo
wn Fuse or
Cir
cuit Breaker
Other Electrical
Connections
Corr
osive or
Abrasive Material
Pr
oduct V
ariation
NATURE OF
PROBLEM
TaBle 1 SERVICE CHART
1. Misapplication
Feeder too small. Product difficult or impossible to
handle. Impossible temperatures or atmospheres.
Impossible dimensional requirements. Feeding
requirements too precise or excessive. Consult
Eriez.
2. Tampering or Changing of Base or Tray
Improper disassembly, extensions, covers, weights,
screens or other modifications or attachments
may have affected performance. Reassemble in
accordance with printed instructions or consult Eriez.
3. Loose Spring Clamp or Tray Mounting Bolts
Tighten all bolts.
4. Coil Failure
Replace coil or coil and E-frame assembly.
Order from Eriez parts lists. Follow maintenance
instructions carefully.
5. Control Failure
Check for burned out powerstat or rheostat,
defective capacitor, defective switch, loose wiring,
defective transformer (if used). Order new parts from
Eriez. Possibility special control needed. Consult
Engineering.
6. Incorrect voltage
Check nameplate specifications and line voltage.
7. Spring Failure
See maintenance instructions. Disassemble for
examination. Tuning spring failure will show up
as white areas. Order new parts from factory and
replace per instructions.
8. Foreign Material
Examine and remove foreign material.
