Precor Energy Series Service Manual page 29

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 DMM 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.
ii. If the current draw decreases below 16 A 120 VAC (8 A 240 VAC), do not
replace the belt and deck. Otherwise, replace the belt and deck. If the other
side of the deck is new condition, flip the deck and reuse.
iii. Also review the error log, if there are recurring motor current overload related
error codes, replace the deck and belt. .
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