Precor C956i, Руководство по обслуживанию

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C956i, C966i (Gen 06) Treadmill
Page 25
No hand held reading - Normal chest strap reading
6. Set the on/off switch in the “on” position and access the diagnostic program (Procedure 2.1).
Advance to the heart rate display portion of the diagnostic program. Verify that a hand held
signal is not being accepted by firmly grasping both the right and left hand held contacts.
Cover as much of the contact surface area with your hands as possible, you should receive
a heart rate reading within ten seconds. If a hand held signal is still not being accepted,
continue with step 7. If a hand held signal is now being received, they user may not have
been making good contact with the grips. There may be nothing wrong. Retest both hand
held and chest strap readings, if normal there is no heart rate problem.
7. Grasp both the right and left hand held contacts with the opposite hands, right hand on the
left handlebar contacts and left hand on the right handlebar contacts. Cover as much of the
contact surface area with your hands as possible, you should receive a heart rate reading
within ten seconds. If a hand held signal is still not being accepted, skip to step 9.
8. If a hand held signal was accepted in step 7, the hand held contact wiring is reversed. The
end of the wire harness that connects to the hand held contacts in the handlebar is
segregated into two groups. One group has blue shrink wrap around it and the other group
has black shrink wrap around it. The “blue” group must go to the right hand contacts and the
“black” group must go to the left hand contacts. In both groups the black wire must go to the
lower contact and the red wire must go to the upper contact. If necessary, rewire the hand
held contacts as described above and test as described in step 7.
9. Set the on/off switch in the “off” position. Refer to Diagram 5.5 for the following
measurements. With an ohmmeter measure between the “lower right contact” pin on the J1
connector and the lower right hand held heart rate contact on the handlebar. The reading
should be 1
Ω
or less. Measure between the “upper right contact” pin on the J1 connector
and the upper right hand held heart rate contact on the handlebar. The reading should be 1
Ω
or less. Measure between the “upper left contact” pin on the J1 connector and the upper
left hand held heart rate contact on the handlebar. The reading should be 1
Ω
or less.
Measure between the “lower left contact” pin on the J1 connector and the lower left hand
held heart rate contact on the handlebar. The reading should be 1
Ω
or less. If any of the
above readings are greater than 1
Ω
, replace the heart rate PCA to handlebar wire harness.
No hand held reading - No chest strap reading
10. Set the on/off switch in the “on” position and access the diagnostic program (Procedure 2.1).
Advance to the heart rate display portion of the diagnostic program. Verify that neither a
chest strap signal or a hand held signal is being accepted with either a heart rate test
transmitter or a chest strap transmitter.
11. Check the plug/connector connections on both the heart rate PCA, and upper PCA.
12. If neither a chest strap signal or a hand held signal is being accepted, measure between the
“ground” and “5 Vdc” pins on J4 for 5 Vdc. If 5 Vdc is present, replace the heart rate PCA.