![background image](http://html2.mh-extra.com/html/landice/l7-club/l7-club_service-manual_3548044064.webp)
Troubleshooting
ESI PWM: PO Error: Elevation System Failure
64
6.23. ESI PWM: PO Error: Elevation System Failure
NOTE: USE THIS FOR DIAGNOSING ESI-PWM BOARD
Error Code: “PO” Error Code/ Elevation Calibration Failure
Upper display lights up but treadbelt doesn’t move
Enter Diagnostic Mode
:
Follow the diagnostic & calibration button sequence page:
:
Inspect and secure all of the wiring connections at the
elevation motor and upper harness for any loose,
frayed, crimped, or broken wires or connections.
(Check Elevation Pot Brown, Orange, & Blue Wires)
DID YOU FIND ANY DAMAGED WIRES?
YES
Replace
ELEVATION MOTOR
(70088)
Replace
UPPER HARNESS
(70251)
Replace
ELEVATION POT
(71013)
Enter into diagnostic mode.
DOES THE ELEVATION SYSTEM WORK
?
Is there elevation pot feedback
present when treadmill is elevated?
YES
Proceed with recalibrating
the elevation pot.
Check the upper harness for any loose,
frayed, crimped, or broken wires.
DID YOU FIND ANY DAMAGED WIRES?
YES
NO
NO
Check the ESI-PWM lower board to see if the
ORANGE ELEV MTR LED 8
is lit on the lower board.
(#5 ON ESI-PWM LOCATOR SHEET)
Replace the
UPPER HARNESS
(70251)
NO
Replace the
LOWER BOARD
(70455)
Disconnect the 6-pin elevation harness from the lower board.
Press the elevation up and down button.
WHICH BUTTON OR DIRECTION HAS THE PROBLEM?
NO
UP
DOWN
Press and Hold the
ELEVATION (+)
button.
IS THE UP LED 3 LIT ON THE ESI-PWM?
(#3 ON ESI-PWM LOCATOR SHEET)
Press and Hold the
ELEVATION (-)
button.
IS THE DN LED 4 LIT ON THE ESI-PWM?
(#2 ON ESI-PWM LOCATOR SHEET)
Inspect the
ORANGE
(UP) wire and the
PURPLE
(DOWN) wires on both the wire connectors on the
ESI-PWM and on the upper display board for any crimped, frayed, broken or loose wires.
(IF BOTH WIRES CONNECTIONS ARE INTACT, THEN REPLACE THE DISPLAY BOARD).
Unplug and inspect the 6-pin Elevation Harness connection for any frayed, broken, or loose wires.
With a voltmeter measure
120VAC
from the
RED
&
WHITE
wires from the elevation harness while
pressing the
ELEVATION DOWN (-)
button.
Remove
the
RED
probe and place it on the black wire leaving
the
BLACK
probe in place and press the
ELEVATION UP (+)
button for
120VAC
from those two wires.
DID YOU RECEIVE PROPER VOLTAGE FROM THE ELEVATION RED, WHITE & BLACK WIRES?
IF YOU RECEIVED PROPER VOLTAGE THEN REPLACE THE
ELEVATION MOTOR (70088)
NO
NO
YES
YES
NO
YES
YES
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...