905E, 9.1, 9.10 Treadmills
Page 9
Procedure 2.5 - Checking the LED’s Mounted on the Upper
PCA
Procedure
1. Place the magnetic safety key in the ACTIVATE position, then turn on the treadmill with the
circuit breaker.
2. With the Enter Your Weight banner scrolling, press and hold the SPEED ▲ key, SPEED ▼
key, STOP, and SCAN/ENTER keys simultaneously.
3. After the software version number is displayed on the electronic console, watch the
illuminated lines sweep from top to bottom and then right to left.
Note:
The lines check the LED’s mounted on the upper PCA. If the lines are broken when they sweep
across the electronic console, one or more of the LED chips (DS1, DS2, DS3, DS4, or DS5) is
defective. Replace the defective LED chip as described in Procedure 6.2 of this appendix.
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