SECTION 12: TROUBLESHOOTING
*After the motor has been checked, retest propeller rotation. (See section
10.2)
- 17 -
Problem Possible Cause Solution
Propeller blades or hub fouled Remove propeller and clean
Propeller Damaged Remove and repair/replace propeller
Little or
no air
being
injected
Draft Tube or air inlet hole
plugged
Remove propeller and draft tube.
Clean.
Low Voltage Contact Electrician or power
company
Wired Improperly Contact Electrician or power
company
Heater size too small Reconnect motor leads*
Motor
overheats
or stops
Wire damaged/Sized wrong Contact Electrician
Coupling not aligned Realign Coupling
Shaft bent Contact AEROMIX
Propeller Damaged Repair/replace propeller
Vibration
Bearing/shaft damaged Replace bearing/shaft
Heaters/fuses blown Contact Electrician
Bad connection Contact Electrician
Motor Wired improperly Reconnect motor leads
Wire damaged/sized wrong Reconnect motor leads
Will not
run
Lightning damaged Contact Electrician
Propeller Fouled Remove Propeller and clean
Little or
no mixing
Propeller damaged or bent Repair/Replace propeller
NOTE!
Observe aerator for vortexing:
A vortex is created when air is sucked from the water's surface directly to the
propeller by bypassin
the draft tube. Loud "slurpin
" noises usually
accompany a vortex. Occasional vortexin
will not dama
e the aerator. The
aerator should be ad
usted if it vortexes more than twice a minute or if a
vortex continues for more than 10 seconds. Typically, rotatin
the aerator
deeper into the water (at an an
le of 45° or
reater) will decrease vortexin
.
Another option is to install a vortex shield. (See 6.2)
Aeromix Class 1 Tornado Aspirating Aerator - Installation Operation Maintenance - Vendor Manual
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