Question about DeLonghi SafeHeat Heater
The pilot lights, gas flows, the heat is on, but as soon as I turn and release the starter knob, the pilot goes out and the heat is off.
This sounds strangely like a safety switch problem , ill bet the device that confirms the pilot lite lit before going to main burner has a problem
Posted on Mar 04, 2015
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Posted on Jan 02, 2017
SOURCE: My deLonghi wall gas heater
The flame of the pilot and main burner are under the control of a thermovalve - it's a device that allows the passage of gas only when heated. This is why when you first start the pilot you must keep the gas button pressed for at least 30 seconds after lighting it - to allow the thermovalve the time to heat up and keep the gas flowing.
If the gas stops flowing when you release the button no matter how long it has been kept pressed before it means that the thermovalve is defective. Since the thermovalve is part of the button mechanism in DeLonghi units the entire button will have to be replaced. By EU law this can be done only by an authorized repair man. On top of that DeLonghi will refuse to work on it if they detect that a security part has been changed by someone else so the best option is to call their closest repair shop and program a visit.
Posted on Nov 05, 2010
The pilot assembly may be dirty (dust, lint, pet hair) or the Thermocouple has failed. The thermocouple is a safety feature that stops gas from coning out of the pilot, if the pilot suddenly goes out.
If you can disassemble the heater cabinet, you can access all of the inner workings. To clean the pilot assembly use canned compressed air with a straw nozzle (like you clean your computer with). Blow out the pilot tip and all down the pilot assembly. If you see a lot of dust inside the heater cabinet vacuum it out with a vacuum that has a hose and brush attachment. A crevice tool works well too.
After doing all of the above, reassemble the heater cabinet, and try lighting the pilot. Be sure the control knob is right in the pilot position, when you depress it to light the pilot. If it doesn't go all the way in and your don't feel strong pressure pushing back on it, it's not right in the pilot position. Turn it a hair one way and then the other, until you locate it exactly. Light the pilot as you normally would, hold the control knob in for one minute after it lights, then ease off of it slowly. In the Pilot stays lit, let it burn for a minute before turning it to the ON position. After that, you should be back in business.
If the pilot lights and fails to hold, the Thermocouple will need to be replaced.
Posted on Feb 18, 2011
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