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SECTION 7: SERVICE
Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom
Possible Cause
Machine does
1. Incorrect power supply voltage or circuit size.
not start, or
2. Remote control not working or batteries are
power supply
dead.
breaker
3. Infrared transmission is blocked or remote too
immediately
far away.
trips after
4. Power supply circuit breaker tripped or fuse
startup.
blown.
5. Wiring broken, disconnected, or corroded.
6. Infrared receiver at fault.
7. Control panel/remote ON/OFF button at fault.
8. Circuit board at fault.
9. Motor or motor bearings at fault.
Machine
1. Motor overheated.
stalls or is
2. Run capacitor at fault.
underpowered.
3. Extension cord too long.
4. Motor or motor bearings at fault.
Machine has
1. Motor or component loose.
vibration or
noisy operation.
2. Motor mount loose/broken.
3. Motor fan rubbing on fan cover.
4. Motor or motor bearings at fault.
Air Filter Operations
Symptom
Possible Cause
Loud,
1. Air filter is not mounted properly and
repetitious
wobbles.
noise, or
2. Impeller fan is damaged, loose, or
excessive
unbalanced.
vibration
3. Motor mounting loose.
coming from air
4. Motor fan housing is dented, causing motor
filter.
fan blade to hit housing.
Filter does not
1. Filters are dirty/clogged.
adequately
collect dust; poor
2. Air filter not positioned properly.
performance.
-28-
Troubleshooting
Possible Solution
1. Ensure correct power supply voltage and circuit size.
2. Replace batteries (Page 27); point remote directly at
control panel. If broken or damaged, replace remote.
3. Make sure infrared receiver on control panel is not
blocked; use remote closer to filter.
4. Ensure circuit is free of shorts. Reset circuit breaker or
replace fuse.
5. Fix broken wires or disconnected/corroded
connections.
6. Inspect/replace if faulty.
7. Replace control panel/remote.
8. Inspect/replace if at fault.
9. Test/repair/replace.
1. Clean motor, let cool, and reduce workload.
2. Test/repair/replace.
3. Move machine closer to power supply; use shorter
extension cord.
4. Replace motor.
1. Replace damaged or missing bolts/nuts or tighten if
loose.
2. Tighten/replace.
3. Fix/replace fan cover; replace loose/damaged fan.
4. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Possible Solution
1. Stabilize air filter (Page 19).
2. Unplug air filter, inspect impeller for dents, bends.
Replace impeller if any damage is found.
3. Make sure all fasteners on motor mount are tight.
4. Replace motor fan housing.
1. Clean filters; replace with new filters if performance
does not improve (Page 26).
2. Locate filter in area with good air circulation and away
from any obstructions (Page 18).
Model T33150/T33151 (Mfd. Since 03/22)
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