Question about Sanyo PLV-Z4 Multimedia Projectors

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Thermal switch cuts out after use

After switching off the projector closes down as normal with the fan going. When I come to use it again the thermal switch needs to be reset and then it works fine again until next use.

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: overheat reset switch for Sanyo PLC-Z4 projector

check the other questions on this topic, I just posted a detailed answer, and that was based on another's answer.

Posted on Aug 01, 2008

  • 45 Answers

SOURCE: where can I find thermal

the switch should reset itself after it has cooled off, but it is typically near the housing of the bulb to read the temperature accurately.

Looks like this:

Posted on Feb 10, 2011

  • 2098 Answers

SOURCE: I have a sanyo plv-z4

May I know if the led(s) light blinks after the shutdown, if so, let me know which led light blinks and its color?

Posted on Jun 19, 2011

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Optoma hd73 the temp light is red and wont start fans or light just the standby light on flashing could this be a ballast issue or thermal sensor?

if you projector auto shut down, and Lamp LED Light - Check Lamp - Check Lamp Driver - Check Main Board b. Temp LED Light - Check Thermal Sensor - Check Thermal Switch - Check Fan

May 12, 2016 | Office Equipment & Supplies

1 Answer

Fan not working projector goes on for 5minutes then shuts off? Just replaced lamp

The lamp may have required changing because the fan wasn't working and it burned out - if the projector shuts down it is likely the thermal sensor is being activated because, as you say, the fan isn't working. I would not risk another lamp until you remedy the fan situation - may be a repair shop job. The basic checks, if the lamp was working before you changed the lamp, would be to go through the replacement process and check to ensure all the internal micro switches are being closed and all covers and access panels are secure.

Jun 21, 2015 | Office Equipment & Supplies

3 Answers

Right after startup, the temp light comes on and the projector shuts off.

The thermal switch could be bad, but I'd say that there is a fan not working. A model number helps when asking what is wrong with your projector.

Oct 27, 2010 | Office Equipment & Supplies

2 Answers

Thermal cut-off blows and high limit thermostat is working with vent clean.Replaced thermal cut-off, high limit thermostat and heating element. Still blows thermal cut-off.

Any time a thermal cut off blows, it's because the cycling thermostat is bad. When it's bad, the machine cycles off of the thermal cut off rather than the cycling thermostat allowing the dryer to over heat. The thermal cut off is a re-setting safety and is not made to cycle off of. The thermostat you are looking for looks like a high limit thermostat but it cuts power to the element at a lower temp. Around 158 degrees + or - 25 degrees. It's located close to the high limit. It's a normally closed switch that opens on the rise and it will show closed now but the problem with it is that will not open. Replace it and your problem will be solved. Good luck.

Oct 16, 2009 | Kenmore Dryers

1 Answer

The dryer is doing nothing when I set the time and push the start button. I have omed out all the fueses and have made sure the door is shut. I have used my multi meter and I am getting the corect voltage....

Check your door switch. It should be a normally open switch. If it's good, you will need to check the thermal fuse and or thermal cut off. This is where you will find the problem. When you find the one bad, you will need to replace the cycling thermostat. It's a normally closed switch that closes on the rise. Once the temp gets to the degree on the cycling thermostat it opens, cutting power to element. When it goes out, it will not open. Then the dryer cycles off of the thermal cut off. This results in the dryer getting real hot and then the thermal cut off will be put out or the thermal fuse one. Your on the right track, keep looking and I feel sure you will find it. By the way, these parts I listed are located on the vent housing close to the blower housing. Good luck.

Oct 16, 2009 | Kenmore 700 6972 Dryer

1 Answer


You have a blown convection thermal cutout.

The thermal cut-out located on the left side of the thermal
protection plate (left) is designed to prevent damage to the
heater unit if an over heated condition develops in the heating
unit due to convection fan failure, thermistor failure,
obstructed air ducts, dirty or blocked air intake, etc. Under
normal operation, the thermal cut-out remains closed. However,
when abnormally high temperatures are reached within
the heater unit, the thermal cut-out will open at 302˚F(150˚C)
causing the oven to shut down. When the thermal cut-out has
cooled, the thermal cut-out closes at 266˚F(130˚C)."

We have the full service manual and parts list and you can download them free here:

You can order parts by part number here.

Feel free to contact me directly (and please include your full model number from the tag in or on the unit) for a free estimate and free tips & do-it-yourself advice.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller

Oct 04, 2009 | Dacor DCM24 Convection/Microwave Oven

1 Answer

Switch off itself showing projector over heating

blow the dust out of the projector using canned air. if there is too much dust, the projector cannot stay cool and may damage components and lamp. the shut down is a protective measure. also make sure the projector is not too close to heat sources and that the vents are not blocked. then check the fans to see if they are working. if after that it still does that, you may need to change the thermal sensor. it may be bad.

Sep 01, 2009 | Optoma EP719 XGA DLP PROJECTOR 2000L...

1 Answer

I have a Competence B1180, it cuts out after irregular periods of time, although sometimes it may even complete a cooking cycle, if turned off for 10-15min it will re-start, but invariably cuts out again...

Could be caused by either of following;

1. Faulty thermostat.
2. Faulty thermal cut out switch. (controls power to cooling fan).
3. Faulty cooling fan (not fan inside oven).

Test thermostat by setting thermostat to low temperature like 60 oC. If oven gets much hotter then its a faulty thermostat.
To test cooling fan and thermal switch take oven out and remove top or rear panels to expose components.
When oven gets hot the cooling fan should turn on. If it doesn't then check to see if there is a mains voltage present.
If mains current exist but fan is not turnig then replace fan. If mains voltage is not present then its the thermal switch.

Mar 01, 2009 | AEG B1180-4 Electric Single Oven

1 Answer

Fan cooling system of an engine v.w

A thermal switch controls the radiator fan and if the temperature of your radiator is above a preset temperature value, the thermal switch will close and the fan will turn on and will stay on even after you turn the motor off, until your radiator temperature cools down. I wouldn't worry about.

Jun 11, 2008 | 1996 Volkswagen Jetta

1 Answer

Blub goes out during use.

Most fans have a sense line to detect the fan is working properly, Possible the sense circuit has failed. The unit should not start if it thinks the fans are not running. Possible thermal problem with the sense circuit, since your unit starts up then stops.

Mar 10, 2007 | Toshiba TLP-ET1 Multimedia Projector

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