Question about Masterflex Cole Parmer L/s Pump Drive 77301-21, 0-250 Hz,3 Phase,10-600 Rpm

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Display "OPN", Motor dont run

The start/stop button dont work. "OPN" shows on the screen. Tried to re-start, not work.

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  • steven
    steven Dec 25, 2013

    07528 series

  • Anonymous Aug 27, 2015

    Hi Steven! Did you fix the pump? I have exactly the same error and would appreciate your help!

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Jazfit Running Machine


reset the machine, follow this steps and fix it. God bless you
However RUN the software calibration for easy diagnostic goes under the HOOD motor and follow the steps.

    • 1
Unplug the treadmill. Locate the console key and place the safety or reset key into the treadmill console. Replace any parts that need replacing, or is large enough to trigger with a pencil eraser or Q-tip. Plug the treadmill plug back into the wall. Use the Q-tip to press the reset button. It may be necessary to hold the reset button down for a few seconds. "CL11" will appear in the display of the treadmill.

    • 3
Press the reset button one more time with the Q-tip. "CL21" should appear on the screen. Press the enter key. The display will change again and show "CL22." Keep pressing the enter key until the numbers cycle through to the number "CL26." Press enter one more time. The letter E should appear on the display screen.
    • 4
Press enter twice more. The letters "SS" should appear on the screen. When this happens, press the start/stop key. Making sure to keep well away from the tread, press enter to start the treadmill. The treadmill will start on its own. The treadmill will stop on its own after a few seconds. When it stops, press the power key two times. Remove the safety key and put in a safe place. Your treadmill is reset.move on to the next step.
    • 2
Locate the reset switch on the underside of the treadmill console. Usually the button

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1 Answer

Rebok i run RE14301, plain blue screen. It was working until my son played with all of the buttons! We have tried turning it on and off and pressing the reset button but this does not seem to have worked


follow this steps and fix it. God bless you


Instructions 1.
    • 1
Unplug the treadmill. Locate the console key and place the safety or reset key into the treadmill console. Replace any parts that need replacing, or is large enough to trigger with a pencil eraser or Q-tip. Plug the treadmill plug back into the wall. Use the Q-tip to press the reset button. It may be necessary to hold the reset button down for a few seconds. "CL11" will appear in the display of the treadmill.
    • 3
Press the reset button one more time with the Q-tip. "CL21" should appear on the screen. Press the enter key. The display will change again and show "CL22." Keep pressing the enter key until the numbers cycle through to the number "CL26." Press enter one more time. The letter E should appear on the display screen.
    • 4
Press enter twice more. The letters "SS" should appear on the screen. When this happens, press the start/stop key. Making sure to keep well away from the tread, press enter to start the treadmill. The treadmill will start on its own. The treadmill will stop on its own after a few seconds. When it stops, press the power key two times. Remove the safety key and put in a safe place. Your treadmill is reset.move on to the next step.
    • 2
Locate the reset switch on the underside of the treadmill console. Usually the button

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1 Answer

Why won't my vision fitness simple T9500 run? I tried holding down the stop button for 3 seconds. It did clear the screen. Then when I hit start it puts 6000 in the screen and will not run. It beeps as if...


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STEP 6 MAXIMUM SPEED • Press “ELEVATION UP” button, “P2” will appear in display. • Press “START” button, the belt will move at maximum speed. • The display should read approximately “12.10 - 12.12”. • To adjust, press “SPEED UP” or “SPEED DOWN” buttons, the range should be “12.10 - 12.12”. Press and hold “ENTER” to save changes. Press “STOP” to return to “P2”. STEP 7 MINIMUM ELEVATION • Press “ELEVATION UP” button twice, “P4” will appear in display. • The display should ready approximately “190 - 205”. • To adjust, press “ENTER” for value which should read “190 - 205”. Use “SPEED UP” or “SPEED DOWN” buttons. Press and hold “ENTER” to save changes. Press “STOP” to return to “P4”. STEP 8 MAXIMUM ELEVATION • Press “ELEVATION UP” button, “P5” will appear in display. • The display should read approximately “750 - 765”. • To adjust, press “ENTER” for value which should read “750 - 765”. Use “SPEED UP” or “SPEED DOWN” buttons. Press and hold “ENTER” to save changes. Press “STOP” to return to “P5”. REMOVE SAFETY KEY TO EXIT ENGINEERING MODE REPLACE SAFETY KEY AND PRESS START TO TEST TREADMILL

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2 Answers

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