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Running Belt & Deck Troubleshooting
This procedure is to be used to determine the condition of the running
belt and running deck combination. A clamp-on ammeter will be used to
measure the treadmill’s AC input current under load. The AC input
current is a direct indication of the load being placed on the
treadmill. Treadmill loading consists of several factors, the user’s
weight, treadmill speed and condition of the running belt and running
deck.
The AC input current measurements should be performed at 7-8mph. and 0%
incline. Because the loading varies with the user’s weight, you should
perform the AC input current measurement test on a new running belt and
deck combination. That will provide you with a benchmark reading to
account for your individual weight.
Because the AC input current reading will pulse between a high value
(during foot plant) and a low reading (between foot plants) we suggest
the use of an analog clamp-on ammeter. An analog ammeter makes it very
easy to see the AC current pulses. The refresh rate on digital ammeters
may make it difficult to see the current peaks unless the digital
ammeter is equipped with a peak hold feature.
Procedure
1 Remove the treadmill’s motor cover and place the A.C clamp-on
ammeter on the brown wire from the A.C. input module (or A.C. power
cord) to the circuit breaker (on/off switch). See the illustration
below.
Figure 16: A.C. Clamp-On Ammeter
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