Symptom Cause
Solution
Install a sprinkler system inside the collector
Install a fire protection system in the ductwork
Use only explosion resistant fan & discharge devices
(NEMA-7/9)
Controller housing should be rated NEMA 7/9
Minimize flame or sparks in process
Install fire resistant filter cartridges
Consult Customer Service (1-800-479-6801)
Plenum or hopper misaligned, rotate plenum 180 degrees
Plenum flange doesn’t match hopper
Wrong assembly procedure, insert bolts in corners, work to
center
Use alignment pins to match flanges during assembly
Drill and tap new holes to match corresponding flange
Flange bent during shipping, replace hopper
Plenum flange doesn’t match hopper
(continued)
Consult Customer Service (1-800-479-6801)
Wrong top panel, replace panel (if Farr provided fan)
Drill or cut flange into blank top panel (if other than Farr fan)
Use alignment pins to match flanges during assembly
Fan misaligned, rotate fan until flanges match
Fan flange doesn’t match top panel flange
(top mount fans only)
Consult Customer Service (1-800-479-6801)
Reference packing slip and inventory items (report missing
items)
Loose parts will be shipped in a box placed inside the inlet
plenum
Thoroughly check all boxes before discarding
Missing Parts
Consult Customer Service (1-800-479-6801)
Locate and seal any dust leakage points in the collector
Caulk any leaking flanges or panels
Insert any missing bolts or fittings
Replace door gaskets if leaking
Check and repair door lock mechanism if necessary
Weld or caulk any holes or gaps in welded seems
Collector leaks dust
Consult Customer Service (1-800-479-6801)
See section following
Controller Failure
Check for correct power supplied to control board (correct)
Check for off switches, breakers, or blown fuses (replace or
correct)
Check for improper wiring, correct as needed
Bad control board, replace if necessary
Controller does not operate
Consult Customer Service (1-800-479-6801)
Discharge device misaligned, rotate to match hopper flange
Wrong assembly procedure, insert bolts in corners, work to
center
Use alignment pins to match flanges during assembly
Drill and tap new holes to match corresponding flange
Flange bent during shipping, replace hopper
Consult manufacturer if other than a Farr discharge device
Hopper flange doesn’t match discharge
device flange
Consult Customer Service (1-800-479-6801)
Installation Problems
Consult manufacturing drawings for correct arrangement
Pr
o
bl
e
m
s
Legs & cross-braces do not match holes
Re-drill braces to match leg bolt holes
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