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Elevation Motor
NOTE: Activation
of the thermal
protection break-
er does not
cause damage to
the elevation
actuator or other
treadmill compon-
ents.
The following procedure explains the elevation system Thermal Protection and
limitations.
Symptom:
Elevation system shuts-off when used consistently.
1. The Star Trac Model 4500 elevation system actuator is protected from
overheating by a thermal protection circuit. In the event that the thermal
protection breaker is activated, the treadmill’s elevation system is temporarily
disabled, and an “EL STL” display codes is displayed.
• A simple resetting of the treadmill restores full operation once the
elevation actuator has been allowed to cool for a few minutes.
2. The pre-defined workout programs 1 through 8 as well as other typical workout
regimens include elevation changes that easily fall within the operating limits of
the Model 4500’s elevation system actuator. The following information serves
as a guide for users that may wish to set a custom program that requires
frequent and/or large changes in incline.
• Incline changes greater than 5 percent should not be programmed for
intervals less than 1 minute.
• Full range incline changes (from 0 percent to 15 percent, or vice-
versa) should not be programmed for intervals less than 3
minutes.
4.10