5.21i Elliptical Fitness Crosstrainer
Page 29
Procedure 6.5 - Upper Display does not Illuminate
Note:
Serial codes F8 and SS are equipped with two fuses in the A.C. power module and two fuses on
the lower PCA. Serial code A998 is equipped with two fuses in the A.C. power module and one
fuse on the lower PCA.
Serial codes F8 and SS have two LED’s, one green and one red on the lower PCA. Serial code
A998 has one green LED on the lower PCA.
1. Set the on/off switch in the “off” position, unplug the line cord from the wall outlet.
2. Remove the F3 system fuse from the lower PCA, serial codes F8 and SS, only. (See
Diagram 6.5)
3. Remove the fuses from the power entry module. (See Procedure 7.29)
4. Check all of the fuses with an ohmmeter. They should read approximately 1Ω or less.
Replace any fuse that reads significantly high.
5. Replace the fuses in the power input module, do not replace the F3 system fuse at this time
(serial codes F8 and SS), at this time.
6. With the line cord still unplugged from the wall outlet, set the on/off switch in the “on”
position. Check between the power terminals of the line cord with an ohmmeter. The
ohmmeter should read infinity (serial codes F8 and SS) or 1 to 1.5 megohm (serial code
A998).
7. If the reading for serial codes F8 and SS is good skip to step 11, if the reading is significantly
low, continue with the next step. If the reading for serial code A998 is good, skip to step 13,
if the reading is significantly low, continue with the next step
8. If the reading in step 6 is significantly low, check the wiring between the lower PCA and the
on/off switch, between the on/off switch and the input module. Replace any cut or nicked
wiring.
9. Check the line cord for nicked or cut wiring. Replace the line cord if necessary.
10. For serial codes F8 and SS only, replace the F3 (2 amp) fuse in the lower PCA, if applicable,
perform the resistance measurement in step 6. The reading should be approximately 1.1 to
1.5 megohm.
11. If the reading in step 10 (serial codes F8 and SS) or step 6 (serial code A998) is significantly
low, replace the lower PCA
12. If you have performed all of the above tests and are unable to resolve the problem, contact
Precor customer support.
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