True Fitness 350-750 - Manual (Page 10)

Symptom Probable Cause Corrective Action Recommended Tools
HEART RATE
NOT
WORKING /
ERRATIC
READINGS
Incorrect power
source
Improper treadmill
grounding
Improper heart rate
receiver mount
Defective Chest
Strap
Defective receiver
Radio Frequency
Interference
• Verify that the treadmill is connected to
a dedicated line, 15-amp circuit, and not
on an extension cord.
• Move to proper outlet.
• Test 110 VAC outlet for proper ground
--------
• Proper grounding is vitally important.
• Ensure that the pedestal wire harness
ground lead is secure
--------
• Ensure that the HR receiver is not
touching metal and is mounted with the
wires in a vertical position with the blue
receiver facing the runner
--------
• Does the receiver pick up a signal from
the HR simulator?
• If yes, replace chest strap
--------
• Does the heart rate LED on the control
panel blink? If not then replace the
receiver.
--------
• Locate RF sources and use process of
elimination. Common sources of RF
interference are: Invisible fences for
pets; wireless networks; cordless
phones, Cell phones, radios, home
security sensors, etc.
Multi-meter
Double sided tape
Heart rate simulator
Note:
All trouble
shooting should
be performed in
calibration
mode.
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