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Machine does not start or a
breaker trips.
1. Power supply switched OFF or is at
fault.
2. Remote control not working or bat-
teries are dead.
3. Infrared transmission is blocked or
remote too far away.
4. Wall circuit breaker tripped.
5. Control panel fuse blown.
6. Wiring is open/has high resistance.
7. Infrared receiver at fault.
8. Control panel ON SPEED button at
fault.
9. Motor at fault.
1. Ensure power supply is ON/has correct voltage.
2. Replace batteries; point remote control directly at
control panel.
3. Make sure the infrared receiver on the control panel
is not blocked; try using the remote closer to the
filter.
4. Ensure circuit size is correct/replace weak breaker.
5. Check filters/resolve reason for blown fuse; replace
fuse (see Page 19).
6. Check/fix broken, disconnected, or corroded wires.
7. Inspect/replace if faulty.
8. Replace faulty ON SPEED button.
9. Test/repair/replace.
Machine stalls or is under-
powered.
1. Motor overheated.
2. Run capacitor at fault.
3. Motor at fault.
1. Clean filters to reduce load on motor.
2. Test/repair/replace.
3. Test/repair/replace.
Machine has vibration or
noisy operation.
1. Motor or component loose.
2. Motor fan rubbing on fan cover.
3. Motor bearings at fault.
1. Inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
2. Fix/replace fan cover; replace loose/damaged fan.
3. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
Loud, repetitious noise, or
excessive vibration coming
from air filter.
1. Air filter is not mounted properly
and wobbles.
2. Impeller fan is damaged, loose, or
severely unbalanced.
3. The motor mounting is loose.
4. Motor fan housing is dented, caus-
ing the motor fan blade to hit the
housing while spinning.
1. Stabilize the air filter.
2. Unplug air filter, and inspect the impeller for dents,
bends, loose fins. Replace impeller if any damage is
found.
3. Make sure all fasteners on the air filter are tight.
4. Replace motor fan housing.
Air filter does not ade-
quately collect dust; poor
performance.
1. The filters are dirty. 1. Clean the filters.