Landice L7 Service Manual

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Landice L7 Service Manual Manual pdf 55 page image

ESI SCR: SAFETY SHUTDOWN: Loss of Speed Signal: Upper display lights but treadbelt does not move Troubleshooting556.14. ESI SCR: SAFETY SHUTDOWN: Loss of Speed Signal: Upper display lights but treadbeltdoes not moveNOTE: USE THIS FOR DIAGNOSING ESI-SCR BOARDError Code: SAFETY SHUTDOWN Loss of Speed SignalUpper display lights up but treadbelt doesn’t move:Enter Diagnostic Speed Mode: Follow the diagnostics & calibration button sequence page::Enter into diagnosc mode by following theDiagnoscs & Calibraon sequence page.DO YOU HEAR THE BELTSW RELAY CLICK?Unplug the 4-pin upper harness connector from the ESI-SCRlower board. Check for any loose, frayed, crimped, orbroken wires or connecon.DID YOU FIND ANY LOOSE OR DAMAGED WIRES?Replace the Display Board.Replace the Upper Harness.(P/N 70324)NORemove both motor brush covers on either side of thedrive motor. Check the motor brushes to see if the carbonbrushes are about ½ inch thick or beer.ARE BOTH MOTOR BRUSHES ½ INCH THICKER OR BETTER?Replace the Motor Brushes.(110-V/220-V Motor Brushes P/N 70222-M)NONOYESIs the YELLOW RLC LED #10 lit on the ESI-SCR lower board?(#17 ON ESI-SCR LOCATOR SHEET)YESYESUnplug the treadmill from the outlet. Start manuallywalking on the treadbelt.DOES THE YELLOW RLC LED #10 & MOTOR LED # 11LAMPS LIGHT UP AS YOU WALK ON THE TREADBELT?(#17 & #16 ON ESI-SCR LOCATOR SHEET)Go back into diagnosc mode.YES YESNOBypass the filter choke by connecng the REDand PURPLE wires together.DOES THE TREADMILL RUN?Bypass the capacitor by removing the PURPLEand BLACK wires off the (+) post of the capacitorand tape the wires together.DOES THE TREADMILL START & RUN?IF YES: BAD CAPACITORIF NO: Perform Generaon test on Motor.IF Gen Test Pass: Defecve SCR board.IF Gen Test Failed: Defecve Motor.NONOFailed Filter Choke.(P/N 5341)YESIs the YELLOW MOTOR LED #11 lit on the ESI-SCR lower board?(#16 ON ESI-SCR LOCATOR SHEET)Check for any loose wires or connecons betweenthe drive motor, filter choke and capacitor. Alsocheck motor brushes and brush clips to be secured.IF EVERYTHING IS TIGHT & SECURED: FAILED MOTORDisconnect the RED IND and the BLACK MTR(+) wire from thelower board.Connect the MTR(+) wire to the RED IND Terminal and pressthe start buon.DID THE DRIVE MOTOR START RUNNING UPON START UP?YESNOREPLACE ESI-SCR LOWER BOARD(P/N 110-V 70080/ 220-V70081)REPLACE DRIVE MOTOR(P/N 110-V 70014/70608 220-V 70125/70608)YESNO