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Optical display light not functioning - Siemens Dishwashers

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The camera screen is blank,but menu and mode functioning well,and no object on display.

Can you be more specific with your query, please - for instance, does this occur at all settings, both manual and automatic ?

Oct 06, 2016 | Samsung Style ST77 16.1 Megapixel Compact...

1 Answer

Backside Optical alarm (G) when using Duplex option

Hi Rasha,

ADF backside scanning optical alarm (upper optical unit ADF) is E3 alarm. When there is an irregularity in the amount of light (ADF back), "E" and "3" will be displayed alternately on the function number display panel of the scanner.

Please check the followings:

1.Does the same symptom occur after turning OFF and ON the scanner?
2. Is the lower glass (white sheet guide) of the reading section dirty? Open the ADF, and clean the sheet guide (white part) and the glass.
3. Is the upper Optical unit ADF dirty? Are the cables damaged? Are the connectors connected properly?
4.E3: Is the upper lamp ON? Are the cables damaged? Are the connectors connected properly? Disconnect the SCSI cable and turn the scanner ON. Open the ADF and press ADF cover open sensor as shown below to see if the ADF lamps light which has to be replaced.

I would recommend to contact an authorized FUJITSU scanner service provider or the dealer where you purchased the scanner.

Hope the above information is helpful.

Thanks & regards,


Jun 12, 2013 | Fujitsu fi-4750C Flatbed Scanner

1 Answer

Proform 540 console doesn't work

If the console takesbatteries, replace them. If this does not work or your console does not requirebatteries, check the reed switch or optic sensor. Reed Switch: Unplug the treadmill andremove the motor hood cover. The reed switch is mounted on the frame next tothe front roller pulley. There is a magnet glued into the front roller pulley.When adjusting the reed switch, make sure it is pointing directly at themagnet. Move the tip of the reed switch within 1/8" of the magnet. Also,check to see that the wire is not damaged, and is connected to the console. clip_image002.jpgOptic Sensor: Unplug the treadmill and remove the motor hood cover. The optic diskand sensor are located either at the end of the motor or the right hand side ofthe front roller. The optic disk spins between two sensors on the optic switch.The disk must spin freely without touching either sensor. The sensors can bemoved by loosening the adjustment bolt holding the switch to its bracket. Theswitch can then be slid. Center the disk.

After you did these adjustments: Please tight the keypanel flexible cable vs display board and then tight the connector from display board vs lower board.
Try to clean the keypanel with spray contact cleaner with carefully and patience.
See diagrams. Good luck, sincerely. G-d bless you.

12_6_2011_5_46_41_pm.gif12_6_2011_5_46_57_pm.gifWith the block diagram that I did you will have a strong resultant if the keypanel board is faulty or display board completely. See how the main motor control has 90% functions in any treadmills.


Dec 06, 2011 | Proform Exercise & Fitness

1 Answer

My pro form 540 display panel lights up but machine does not run. Any thoughts?

This the following adjustments:
Make sure the sensor is as close as possible to the pulley withouttouching it. You will see a magneton the face of the pulley; make sure the sensor is aligned with themagnet. There is a screw thatholds the sensor in place that needs to be loosened to adjust thesensor. Re-tighten the screw whenfinished.

11_29_2011_4_04_13_pm.gifSee the block diagram how the main controller board has 90% aprox of functions of any treadmills. Tight the flexible cable from keypanel vs display board . then Display board vs. Main Controller Board.

Good luck, sincerely. G-d Bless you.


Nov 28, 2011 | Exercise & Fitness

1 Answer

Pro-Form 545s......pushing speed #1 starts at 1.6....#2 starts at 3.2 and so forth

1) The normal functions is gradual o.1mph and so on until you reach the maximun speed.

2) check the speed sensor see this videos and test the speed sensor and change if is faulty.
If LED does not light, inspect:1. Optic sensor signal wires and theirconnections; Reinsert wire ends into connectors.2. Whether optic sensor wheel rotates in themiddle of the sensor; If not, reinstall the optic sensor wheel.3. Whether optic sensor wheel teeth are brokenor bent; if so, replace the optic sensor wheel.4. If LED2, the VCC circuit indicator, on thedrive board lights and there is no optic sensor signal output(LED does not light), andif optic sensor wires and connections are good, replace the optic sensor.

2a) The main motor you must test:

3) otherwise is o.k you must replace the display board.

Nov 13, 2011 | Exercise & Fitness

1 Answer

E2 error on pro form 730 key in belt and motor run about 5 sec and shuts down sensor light blinks but not a steady light

Dear Sir:

I will try to help you, use the patience and carefully: need screwdriver, hex, allen+Dvom(DigitalVoltemeter)

Troubleshooting: ERR2 - Motor Movement

Since the motor moves when you press speed up, focus on the optic sensor, its wire connections, and the

optic sensor wheel. If all seems well at the sensor, inspect the motor.

Optic Sensor

??? Optic sensor wheel - Make sure that the optic sensor wheel rotates securely, without wobbling, in the

middle of the optic sensor. Realign and tighten if necessary. If optic sensor wheel teeth are missing or

bent, replace the optic sensor wheel.

??? Optic sensor wires - Make sure that wires are inserted securely to the optic sensor and to the drive board.

Check wire continuity.

??? Optic sensor - Turn on unit power. Turn the motor flywheel with your hand. The optic sensor

indicator (LED10, drive board) should light. . If it does not light, and all parts above are

good, replace the optic sensor.


??? Motor arcing - Does the motor show signs of wear - irregular arcing, carbon dust?

??? Motor brushes - Do brushes show signs of irregular wear - cracks, dents, lines? Replace the

motor brushes.

??? M+ M- Wires - Make sure wires are connected properly.


??? Display main IC - To ensure proper signal processing, press down on the main IC on the display

board, marked U5. .

??? Ribbon cable - Ensure that the ribbon cable is attached at the drive and display boards. Check cable

Troubleshooting: ERR 2 - No Motor Movement

Turn unit power off and then on to clear the ERR2 message from the display. To test whether the drive

board is putting out power to the motor, insert multimeter probes on the M+ M- connectors and press

the speed up key. . (Note: To avoid ERR2.)

Power to Motor

If the drive board puts out power to the motor, but the motor does not operate, either the motor wires or

motor is malfunctioning. Test wires for continuity. Inspect connections. Perform an ohm test on the

motor . Inspect motor brushes.

No Power to Motor

If there is no power to the motor, either the signal is not arriving at the drive board, the transformer

or inductor is bad, or the drive board is bad. Inspect the following:

??? Display - Does the display beep when you press speed up? If so, the display has sent its signal.

If not, inspect overlay-to-display connections. And press down on the main program IC, marked U5.

??? Wires and their connections - inspect data cable connections from the display to the drive board,

test data cable continuity, inspect M+ M- wires from the drive board to the motor.

??? Inductor (6310 only) - inspect inductor and its wires and their connections. .

??? Transformer - inspect the transformer and its wires and their connections.

??? Drive Board - inspect the drive board for burnt or cracked components. Inspect LEDs (See DRIVE.03

and DRIVE.04). Press on the drive board IC chips to ensure good connection. If the power indicator on

the drive board, LED8, lights, but there is no power to the motor, and other components are good,
replace the drive board.

wITH THIS YOU FIX IT. If you need further assistance, please reach me



Oct 20, 2011 | Exercise & Fitness

1 Answer

MS Optical Mouse 4000 problem; computer mouse pad no longer functional

Normal 0 Press the Receiver button (and the lights will start flashing.
Then if the Keyboard isn't working, press the small RESET/CONNECT button on the back of the board to connect the keyboard to the receiver.
Hope this helps. Bud

Aug 08, 2008 | Microsoft Wireless Optical Notebook Mouse...

1 Answer

Open close door not working

Nope. Does the red light come on on the front of the unit?It should then startup saying 'philips recorder'scrolling across the display. When you press to open it should click and say'open'on the screen. If it just says 'open' with no whirring or tray opening you can try a service mode test. If it displays 'locked'it's set to dealer mode that can be removed.

Jan 22, 2008 | Audio Players & Recorders

1 Answer

Sony KDF-50WE655

your issue is more than likely in the optical assy but make sure its not the lvds cable. when technicians remove the optical assy alot of times they will forget to remove the lvds cable and it ggets damaged.

Oct 12, 2007 | Sony FWD-50PX1 50 in. HD-Ready Plasma...

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