071807 III. General Troubleshooting
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A. Step 5.
1. Disassemble the vacuum and disconnect the PC board.
2. Using a test light or meter, test connector 10 (thermal lead) and either 5 or 6 (ground) on the main connector on the wire
harness. (See IV. Figures, P. Main Body Harness .5 and .6 Models or IV. Figures, S. Main Body Wire Harness .4 and Older
Models)
3. If the vacuum does NOT have power continue to Step 6.
4. If there is power to the PC board (thermal switch is good):
a) Check the fuse on the PC board. (See Figure B. PCB Layout and Belt Idler Assembly)
b) If the fuse is faulty, replace the fuse.
c) If the fuse is good, replace the PC board.
d) Retest the vacuum.
e) If the vacuum still does not run skip to Step 7.
A. Step 6.
1. Remove the clean air motor.
2. Disconnect the blue/yellow lead that connects to the thermal switch.
3. Place a meter or test light to the blue/yellow lead and the ground lead on the PC board connector.
4. With the vacuum plugged in and power switch “ON”, check for current ow.
5. If the vacuum has power at this point continue to Step 7.
6. If the vacuum does NOT have power call Tacony Technical Support at 1-800-643-7459
A. Step 7.
1. Connect the clean air motor to 110/120 volts (Use jumper wires and straight wire the motor).
2. If the motor does NOT run, reassemble the vacuum with a new motor and retest.
3. If the motor does run:
a) Check the fuse on the PC board. (See Figure B. PCB Layout and Belt Idler Assembly)
b) If the fuse is faulty, replace the fuse.
c) If the fuse is good, replace the PC board.
d) Retest the vacuum.
NOTE: If vacuum still will not run call Tacony Technical Service at 1-800-643-7459.
A. Vacuum has no power. - Continued
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