Question about Panasonic PT-43LC14 43" Rear Projection HDTV

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Air filter dirty

Message on screen say's air filter dirty unit will turn off in 1 minute

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  • Panasonic Master
  • 5,138 Answers

It means the Fan is dirty clean off dirt so fan can run,or fan might be bad. More then likely fan has alot of Dust Bunnys.

Posted on Dec 04, 2008

  • browsean May 15, 2011

    I cleaned my fans (all 3 of them) and the message still appears to "clean air filter". I am waiting overnight with the tv unplugged to do a hard reset and will see sometime tomorrow if the problem persists. Does anyone know how to reset the air filter message. Also, my temp light flashes 5 times and then is off for 5 seconds which indicates a "malfunction" according to the manual and says the tv requires servicing. I liv 2 1/2 hours away from the nearest service shop for pans. I need a fix it myself manual. Any help is greatly appreciated.

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is your filter dirty? i could see it stoping if the filters dirty. check the filter and if that is not it take it into a shop or send it in. if it cost's more to fix it just forget about it and get a new one good luck.

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This Zenith de-humidifier has been great for a few years.Recently though it's been cycling on with compressor running for approximately 2 minutes,then shuts down(off with no fan) for about 2 minutes.It...


Paul, there are 5 basic, yet solvable reasons for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have an analog unit
turn the humidity extraction knob to Maximum.
.
2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
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3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
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4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
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5. Ambient air temperature at floor level is between 40 - 60 degrees.
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(Unless, you have a Low Temp Unit). This applies mainly to
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If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

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Not blowing cold air and every 2or 3minutes turn off and on.


Unit turns on
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1. Clean coils.

2. Filter dirty. 2. Clean or replace filter.

Jul 31, 2011 | Frigidaire FRA256ST2 WallWindow Air...

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My unit runs for about 10-15 minutes then shuts off. I cleaned my filter so that is not the problem.


There are 5 basic, but solvable reason for what you described. Please pay particular attention to numbers 1 & 2. (# 2, you have already taken care of)

1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have a manually
controlled unit, turn the knob to Maximum

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder level
in basement application . Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

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The check filter light will not go off even after I have cleaned the filter numerous times; and now occasionally the unit wil rapidly shut it self on and off repeatedly (again the check filter light is...


Apparently, the unit is not recognizing the filter change. So, turn the Master ON/OFF Switch to OFF and unplug the unit. Wait 15 minutes and plug it back in. Turn the Master ON/OFF Switch to ON. Hopefully, during that 15 minute timeout, the electronics reset themselves and reverted back to the original factory settings and the change filter light is now, OFF.

Hope this helps you.

Jul 08, 2011 | Frigidaire FAH106N1 Wall/Window Air...

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Unit seems to not read correct humidity. only operates for short time(one minute or less) then turns off. i know the air is humid, + 90%


John, there are 5 basic, yet solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder
level
in basement applications . Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

John, I hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

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1 Answer

Model GHD30 dehumidifier-runs for a few minutes then shuts off. Will start again after a few minutes then shut off again, and so on. Does not seem to be "dehumifying" when operating.


As I have told many questioners, There are 5 basic, but solvable reason for what you described. Please pay particular attention to numbers 1 & 2..

1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If your unit does not have an
LED screen, turn the control to Maximum.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to clean
the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder
in basement applications level. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.

Hope this helped you to troubleshoot and solve the problem.

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1 Answer

Unit ices up and quits cooling


There are a couple of things that contribute to the problem you're experiencing:

1. A dirty or clogged air intake filter. Turn unit OFF, remove and clean the filter. If filter is washable
be sure filter is thoroughly dry, before reinstaling it.

2. Cooling fins are dirty. Turn unit OFF, remove the outer shell of the AC unit, if necessary and
clean the fins with an old toothbrush and a vacuum cleaner.

3. Humidity level in your area is extremely high. This is Mother Nature's problem and is not readily
solvable.

4. Defrost sensor is not functioning properly. Replace sensor.

5.. Low refrigerant gas in the AC's compressor. Have compressor recharged.

Hope this helps you trouble shoot and solve the problem. Please let me know. Thanks.

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1 Answer

OSD Message Panasonic PT-50LC14 Air Filter Needs Cleaning


I had the same problem and the stupid tv would shut off after 1 minute. We opened the silver front panel , took the bulb out cleaned it, took the cover off the grey box to the right and very carefully vaccumed the filter and wiped it off with a microfiber cloth. It works great now!!! Make sure you unplug your tv before messing with it.

Sep 28, 2008 | Panasonic PT-50LC14 50" Rear Projection...

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