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My Totaline thermostat screen was blank so I change out the fuse in my furnace and the thermasat LCD displayed PH with all the modes available then it turned back off to blank screen any ideas?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: LCD Display Blank

Canon's web site says:
Service Notice: CCD Image Sensor Advisory (Updated 10/31/2006)
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This Service Notice will update Canon U.S.A., Inc.'s previous CCD Image Sensor Advisory, dated October 6, 2005.
It has come to our attention that the vendor-supplied CCD image sensor used in certain Canon digital cameras and digital video camcorders may cause the following malfunction: When the product is used in recording or playback mode, the LCD screen and/or electronic viewfinder may exhibit either a distorted image or no image at all. While reports of this malfunction have been rare in the United States, we have determined that it may occur if the product is exposed to hot and humid environments.
Notice of Additional Affected Products:
As a result of our continuing investigation of this malfunction, we have determined that the 11 models listed below, in addition to the 16 models listed in our Service Notice concerning this malfunction, dated October 6, 2005, may be affected.
Affected products:
- Camcorders: ZR60, ZR65 MC, ZR70 MC, ZR80, ZR85, ZR90, ELURA 40 MC, ELURA 50
- Digital Cameras A60, A70, A75, A300, A310, S230, SD100, SD110, A40(*), A80(*), A85(*), A95(*), S1 IS(*), S60(*), S200(*), S330(*), S400(*), S410(*), S500(*)
*Models added as of Oct.31, 2006
Malfunction:
It has been confirmed that the connecting parts of the internal wiring of the CCD used in affected products may become disconnected, especially if the affected products are stored or used in high-temperature and high-humidity environments. If this occurs, the signal is not output from the CCD normally in Shooting Mode, which may cause a distorted image or the absence of an image. This malfunction can be confirmed on the LCD monitor screen during shooting. The same malfunction also appears on the recorded image.
Canon's Response:
Effective immediately, and regardless of warranty status, Canon will repair, free of charge, the products listed above exhibiting the above-mentioned malfunction if Canon determines that the malfunction is caused by the CCD image sensor. Canon will also cover the cost of shipping and handling in connection with this repair.
U.S. residents are kindly directed to contact the Canon Customer Support Center for further assistance at 1-800-828-4040. Support hours are Monday thru Friday - 8:00 AM to 12:00 midnight; and Saturday 10:00 AM to 8:00 PM (all times EST). Alternatively, if electronic support is preferred, please send your email to carecenter@cits.canon.com
This information is for residents of the United States of America and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region.
We sincerely apologize for any inconvenience caused by this issue, and appreciate your understanding in this matter. Thank you for your support and patronage of Canon products.

Posted on Nov 05, 2007

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SOURCE: furnace problem

The problem is most likely in the control module of the roof air unit. Dometic uses the thermostat to activate and deactivate a relay in the control board of the roof ac unit whiich is just visible when you remove your air intake screen. The two blue with white stripe wires are the furnace control wires.

The furnace turns on and off by the opening and closing of relay. Most likely, the furnace control relay is stuck in the on position. On the thermostate, remove the fur wire and see if the furnace quits afrer it cycles down...it does not quit right away. With the termostat out of the loop, if the furnace does not shut down, the problem is in the control box. They are not hard to replace but you must be careful with the live wiire from the 110 ciucuit breaker. If you are not comfortable with the repair, take it to a dealer. The part number is on the assembly box. They need to know if you have the heat srip option or whatever othert options our Roof AC has. If the furnace still runs with the blue/white wires disconnected, the furnace wires are shorted somewhere between the furnace and the AC control unit.

Posted on Dec 10, 2007

  • 99 Answers

SOURCE: LCD does not display image in record mode

ssue: The LCD/Electronic Viewfinder will not display an image or the image is distorted.

1. Press display (DISP.) button to turn the display on 2. If all troubleshooting has failed, please have your PowerShot A520 serviced

Posted on Feb 08, 2008

pishta68
  • 579 Answers

SOURCE: LCD Display Blank

CCD malfunction, common with Sony manufactured CCD chips. You are in luck, its a free repair regardless of warranty date.
http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=223&modelid=8044#

Posted on Feb 12, 2008

  • 102 Answers

SOURCE: Printer LCD Screen is on but blank

Hi,
First let me know if there is backlight on printer control panel or not.
If there is no backlight on printer control panel than May be LCD Control panel is faulty or it is not recieveiving power from DC Controller.
If there is back light than try these steps.
Try to reseat the Memory DIMM of the printer
If u have replacement of DIMM than try that .
Or else formatter is faulty.
Need to get formatter replaced.

Posted on Jul 01, 2009

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It's probably the liquid crystal has a crack and is flowing inside the glass. It can only be repaired with a new display.

Why not contact Totaline directly and see what they can offer?



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Replace the batteries first. If that does not fix it, you either have lost 24V from the furnace/airhandler, or the thermostat is bad.


You may get lucky and find that the only problem is a blown 3 or 5 amp fuse on the board. Although that usually indicates a short somewhere in the system.

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Hi, If this stat has batteries, change them. If not, go to the furnace and pull the panels. If you have a circuit board, look for a small 3 to 5 amp plug in fuse, the kind you would use in your auto. It may be blown. Turn of power before you take it out and look at the metal in the fuse to see if it is burned or black, a hot spot. Replace fuse and see what happens. If no board or fuse, get back to me with more information on the kind of heater you have, gas, elect, wall heater, heat-pump ect. You have lost your 24 volt power supply if you have no batteries in stat. Let me know. Merry Christmas,
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1 Answer

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Can I assume (?) you re-tried firmly checking each cable connection and the power supply is soundly in place including checking the fuse in the plug That's all I can suggest as the things I would do if in your shoes.

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