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ESI SCR: No power, Blown In-line Fuse
Troubleshooting
53
6.12. ESI SCR: No power, Blown In-line Fuse
NOTE: USE THIS FOR DIAGNOSING ESI-SCR BOARD
Error Code: No power/Blowing In-Line Fuse
Fuse blows when start button is pressed:
Check the power cord for any frayed, crimped, or signs of it
being crushed in the cord.
DOES THE LINECORD HAVE ANY DAMAGE?
YES
Replace the
LINECORD.
(P/N 110-V 70530)
(P/N 220-V 70531)
NO
Check the linecord connector with switch for any loose,
frayed, crimped, burnt switch or broken wires or connections.
DOES THE LINECORD CONNECTOR W/ SWITCH HAVE
ANY DAMAGE?
Replace the
LINECORD
CONNECTOR W/SWITCH.
(P/N 70861)
1) Disconnect the elevation motor and drive motor from the lower
board.
2) Swap out the blown in-line fuse with the replacement fuse located in
the treadmill and press the start button.
NO
Replace the
LOWER BOARD.
(P/N 110-V 70080)
(P/N 220-V 70081)
YES
Plug the elevation motor into the lower board while keeping
the drive motor disconnected. Press start on the treadmill to
see if it blows the fuse.
DID THE FUSE BLOW UPON START UP?
NO
Replace the
ELEVATION MOTOR.
(P/N 110-V 70088)
(P/N 220-V 70126)
YES
Unplug the elevation motor from the lower board and go
ahead and connect the drive motor into the lower board.
Press start on the treadmill to see if it blows the fuse.
DID THE FUSE BLOW UPON START UP?
Replace the
DRIVE MOTOR.
(P/N 110-V 70014/70608)
(P/N 220-V 70125/70608)
Replace the
LOWER BOARD.
(P/N 110-V 70080)
(P/N 220-V 70081)
Perform amp draw for a possible
worn treadbelt.
L7-90 Series Treadbelt
(P/N 70468 & 70534 for Ortho)
L8-90 Series Treadbelt
(P/N 70513 or 70535 for Ortho)
Plug the elevation motor back into the lower board leaving the
drive motor connected into the lower board. Press start on the
treadmill to see if it blows the fuse.
DID THE FUSE BLOW?
NO
NO
YES
YES
YES
NO
Summary of Contents for L7 Club
Page 1: ...L7 L8 L9 Treadmill 90 Series Service Manual...
Page 4: ...Grounding Instructions 4...
Page 16: ...Introduction Recommended Tools 16...
Page 26: ...Electrical Reference Harnesses 26...
Page 30: ...Routine Maintenance Maintenance Checklist 30...
Page 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...
Page 116: ...Replacement Parts 116...
Page 119: ......