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©April 2017
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CIR-TM8000E-G Revision 1.3
42
John C. Jensen
TROUBLE SHOOTING
Treadmill Breaker or Main Service Breaker Tripping
Worn Deck:
One of the indicators of a worn treadmill deck is the tripping of the treadmill breaker and/or the main service breakers. A
worn treadmill deck causes additional resistance between the walking belt and the surface of the deck. This added
resistance will cause an increase of the power required to operate the treadmill and potentially cause the power inverter and
the walking belt to overheat thus causing the breakers to trip. With your hand, reach in between the walking belt and the
deck. Feel the surface of the deck. If the deck is smooth and without “ridging”, then the cause is likely elsewhere. If the
you or technician feels that the deck is rough to the touch or has ridges running the length of the deck, then the deck is likely
the cause of the tripping breakers and the deck needs replacement.
Power Inverter or Lower Board:
If it has been determined that the walking belt and deck are not the cause of the breakers tripping, then the next step is to
verify the correct operation of the Power Inverter or lower board. If it is possible, exchange the power inverter with a power
inverter of a treadmill which is not experiencing this problem. If the problem follows the exchanged power inverter, then
replace the power inverter. If the problem does not follow the power inverter, then the problem is elsewhere and additional
troubleshooting is required to locate the problem.
If you do not have another treadmill to exchange components with, feel the surface of the power inverter to determine if it is
hot to the touch. If it is hot to the touch, replace the power inverter.
