Precor Energy Series Service Manual page 44

Procedure
Read the entire procedure before beginning.
TIP: You may find it difficult to read the AC current reading while also walking on the treadmill.
You may need a second person to read the AC clamp meter while performing this test. Or, if
using a DMM with clamp probe, you can use extra long test leads (approx. 1.5 m) that will
allow you to set the DVM on the dash while performing the test.
1. Clean the belt and deck surfaces.
2. Remove the treadmill hood cover.
3. Place the AC clamp probe over the brown (hot or line) wire between the AC. input module (or
AC. power cord) and the circuit breaker ON/OFF switch.
4. Start a manual workout and set the treadmill speed to 8 mph (13 kph) and 0% incline. Walk on
the treadmill for a minimum of 10 sec and read the AC average (True RMS) input current.
Typical AC. average current for a good condition running belt/deck is between 8 to 12 amps on
120 VAC machines (4 to 6 amps on 240 VAC machines). A new belt/deck may read less
current draw. Note that during foot plants, you could measure peak amp spikes as high as 20
amps, even on a new belt/deck. The higher the AC input current is, the more worn the
belt/deck condition is
a. If the average AC input current is less than 16 amps, the belt/deck is in good condition,
do not replace.
b. If the average AC current is between 16-18 amps on 120 VAC machines (8-9 amps on
240VAC machines), the belt and deck needs to be serviced. Be aware that lighter
weight exercisers may not be heavy enough to cause these higher AC input current
values.
i. If not already cleaned, clean the belt/deck surfaces and repeat the AC input
current draw measurement.
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