Precor 9.31 Service Manual page 8

50. It is suggested that you perform this test on a treadmill known to be in excellent operating
condition. Note the values displayed at a fixed speed (such as 3 MPH) and your body
weight. Those values may then be used to benchmark the operation of treadmills you are
diagnosing.
51. Press press the RESET key to proceed to the belt power test.
52. The display will momentarily read BELT POWER TEST then POWERBITS. The display will
then read the current powerbit value.
53. In this test SPEED keys control the power bit setting instate of the actual speed.
54. The SELECT key will toggle between a MPH, POWERBITS and TIME display. TIME
indicates the test's elapsed time.This test is valuable in diagnosing treadmill response to
load conditions. As load is increased, the power bits are kept at a constant value (as set via
the SPEED keys) and the current and belt speed will vary proportionately to the load.
55. It is suggested that you perform this test on a treadmill known to be in excellent operating
condition. Note the values displayed at a fixed power bit reading (as set by the SPEED
keys) and your body weight. Those values may then be used to benchmark the operation of
treadmills you are diagnosing.
56. The belt power test is the last test in the diagnostics routine. Press the RESET key to exit
the diagnostics routine.
9.31, 9.33, 9.35 Treadmill
Page 8