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Troubleshooting
ESI PWM: SAFETY SHUTDOWN: Upper display lights, treadbelt moves, speed will not increase
58
6.17. ESI PWM: SAFETY SHUTDOWN: Upper display lights, treadbelt moves, speed will not
increase
NOTE: USE THIS FOR DIAGNOSING ESI-PWM BOARD
Error Code: SAFETY SHUTDOWN Loss of Speed Signal
Upper display lights up treadbelt moves but the speed will not increase
Enter Diagnostic Speed Mode
:
Follow the diagnostics & calibration button sequence page:
:
In diagnostic mode does the
YELLOW
SPEED SENSOR LED #1
illuminated on the
PWM board upon start up?
(#9 ON ESI-PWM LOCATOR SHEET)
Remove the speed sensor cover and
check to make sure that the speed sensor
is intact and free from dust or obstruction
in the speed cog and the sensor.
ANY OBSTRUCTION FOUND?
NO
YES
Clean out the dust or obstruction that may have
collected in the speed cog and speed sensor.
DID THE SPEED SENSOR LED
ILLUMINATE?
NO
YES
Unplug the 3-pin wire speed sensor connector
at the lower board. Check for any loose, frayed,
crimped, or broken wires or connection.
DID YOU FIND ANY DAMAGED WIRES?
NO
NO
YES
Replace the
SPEED SENSOR.
(70621)
Unplug the 9-pin upper harness connector from the
ESI-PWM
lower board. Check for any loose, frayed,
crimped, or broken wires or connection. Specifically
look at pin-5 (
BROWN
) wire.
(Perform continuity test on the brown wire)
DID YOU FIND ANY DAMAGED WIRES?
1) Enter
into
diagnostic
speed
mode.
2) Press & hold the speed + button until the
speed reaches to 7 mph in programmed
speed.
DID THE SPEED REGISTER IN THE SPEED
SENSOR FEEDBACK ON THE CENTER
DISPLAY?
Replace the
UPPER HARNESS.
(70251)
YES
Replace the
SPEED SENSOR.
(70621)
Using your voltmeter connect your
RED
probe to
the red wire and the
BLACK
probe to the black wire
and measure for 5.8 vdc at the speed sensor
connector.
Setting your voltmeter to continuity, place the
RED
probe from the white wire keeping the
BLACK
probe in place slowly spin the flywheel by hand for
continuity
DID YOU GET PROPER VOLTAGE OR PASS
THE CONTINUITY TEST?
NO
NO
Replace the
Lower Board.
(70455)
YES
YES
YES
NO
EITHER TEST
Содержание L7 Club
Страница 1: ...L7 L8 L9 Treadmill 90 Series Service Manual...
Страница 4: ...Grounding Instructions 4...
Страница 16: ...Introduction Recommended Tools 16...
Страница 26: ...Electrical Reference Harnesses 26...
Страница 30: ...Routine Maintenance Maintenance Checklist 30...
Страница 102: ...Replacement Parts 102 Figure 8 8 Control Panel 17 16 15 13 14 12 11 11 9 5 3 7 6 2 4 8 1...
Страница 116: ...Replacement Parts 116...
Страница 119: ......
Страница 120: ...111 Canfield Avenue Suite A 1 Randolph NJ 07869 1 800 LANDICE Tel 973 927 9010 Fax 973 927 0630 www landice com...