Great job talking about the inside of the timer, how it operates, and what can go wrong. Literally every other article and video wants me to replace the timer as a whole instead of trying to fix it. What is wrong with this world!
Awesome video! Scratching my head of this timer for about an hour. Your info was spot on, carbon on the contacts was that little thing i needed to hear! Thanks!
I come across the right video, my timer looks just like this one, except it's all white gears, no blue ones. I don't believe my timer is shot, but i did sand down those contacts a little with a nail file so they make good connections. I'm thinking that's all was wrong with it cause i can't find anything else. The way you show testing that motor is a good idea, I'll remember that if i encounter it's still not working right. I'm pretty sure the motor is good though, i tested the cap it's up to specs on capacitance and the motor test 3k ohms... no breaks in the windings. Thanks for the video and the info.
Great video. I’d forgotten that it only runs when the compressor is on. Seems like the defrost really only needs to happen based on how many times the door is open allowing humid air into the compartment. I mean if you never open the fridge or freezer the need for defrost is very little correct? Versus the case where it’s opened all the time and humid air is allowed in. I guess that correlates to how often the compressor would be running as well so it’s the best indicator. I believe these timers generally cause defrosting to happen every 14-16 hours roughly. Thanks again
The impedance of the circuit is determined mostly by the winding of the motor, which would be designed for the 240V, 60Hz power. The capacitor is probably to reduce arcing of the contacts rather than to limit the current. It shorts the high frequencies of the arcing while offering about 20,000ohms reactance at the 60Hz of the power. At 60Hz, only 1.2 ma of current would be passed by at 0.14 mfd capacitor to 240V rms applied.
Hi Lee very good video, Thanks for the info ,I have one question does the latest model fridge ,, (twin door , Three compartment fridge and one door fridge ,, i mean the new models ) Are they instal with timmer swich or timer board with other function circuit . your valuable info please ...thanks
It depends. The cheaper models still use the mechanical defrost timers, but the more expensive ones use an integrated circuit board. If it has electronic temperature controls it's probably the latter.
Hi Lee thanks for your swift reply .. Forget to ask one more question... I notice that the latest model fridge have control board and other fixed compornent ,,like Thermisters and thermostat .. What i need to know is are these two compornent universal usage for all fridge or they are different in voltage and temperature .. Please confirm and thanks pal
Very informative. Just curious. The timer motor only runs when the compressor is running. When it goes into defrost the compressor is not running. What causes the timer motor to run during defrost with the compressor off?
The power switched from the thermostat goes to the defrost timer first. During defrost, the thermostat would still be calling so the defrost timer would have power until the cycle ends, the compressor start, and the box finally cools off to set-point.
Yes, AC current. Of the two I'm using, the left one is hot/line and the right one is neutral. The two unused contacts are defrost and compressor, respectively, from the left. So defrost, hot/line, compressor, neutral.
Hi lee, you says that the timer motor will only operates when the compressor is running. What makes the timer keep running during defrost cycle so that it turns back again to cooling cycle. Thanks!
It is operating when the defrost cycle is running too, as long as the thermostat is calling for cooling. Think of it like a two-way A/B switch that switches the power between the compressor and the defrost element at a timed interval.
@@foobarmaximus3506 "Call for heat" and "Call for cooling" are absolutely terms commonly used when talking about thermostats. Nobody says "is your thermostat conducting?" LOL way to try to be a big guy on the internet.
What would happen if I disconnect the element of the defroster? I have stand alone solar power and in winter it switches on 3 times while there is little or no sun. So it's sucking my batteries flat over night.
You still need to defrost every so often or the fridge will eventually stop cooling once the coils in the back are frozen solid. What I did once was add a switch to turn power to the element on and off (defrost defeat switch). I would leave it off most of the time, and then once a week switch it on and manually start the defrost cycle by advancing the timer. Then turn it back off again after the cycle is done and the compressor runs again. If I was going to be gone for more than a week, I left it on. Look at the wiring diagram for your fridge, but I pulled the defrost element terminal out of the timer connector, then added a wire with a switch with terminals at the ends to connect to the pulled terminal and reinserted my new wire with connector into the timer connector to replace the one I pulled out. Defrost element could be 500W, so make sure you get a 120V rated switch that can handle 5 amps or more. Also make sure you have all terminals and connections insulated so you can't get electrocuted, and it's not going to short out on anything. I had my switch dangling right under the temperature adjust knob in the fridge compartment. Just make sure you do it safe, I'm not responsible if you cause a fire or electrocute someone.
Can this timer be bad even new ? I just fix a refrigerator frigidaire it wasn't doing the defrost so when I pull back top of freezer it was built with a bunch of ice then I turn my timer in to the defrost cycle and right away heather element on freezer start heating so I figured parts on freezer are good so I replace the timer for a new one genuine timer for 5 bucks got it on especial sale Then I week later the lady call me same issue u I'm thinking this timer something be bad even new any suggestions
I suppose that's possible if the replacement timer doesn't advance properly. You could try replacing it with another new part from a reliable source. You should also check for door seal leaks or objects holding the doors open slightly since air leaks are the next most likely cause of ice formation in the freezer compartment.
Great job talking about the inside of the timer, how it operates, and what can go wrong. Literally every other article and video wants me to replace the timer as a whole instead of trying to fix it. What is wrong with this world!
Awesome video! Scratching my head of this timer for about an hour. Your info was spot on, carbon on the contacts was that little thing i needed to hear! Thanks!
I come across the right video, my timer looks just like this one, except it's all white gears, no blue ones. I don't believe my timer is shot, but i did sand down those contacts a little with a nail file so they make good connections. I'm thinking that's all was wrong with it cause i can't find anything else. The way you show testing that motor is a good idea, I'll remember that if i encounter it's still not working right. I'm pretty sure the motor is good though, i tested the cap it's up to specs on capacitance and the motor test 3k ohms... no breaks in the windings. Thanks for the video and the info.
Great video. I’d forgotten that it only runs when the compressor is on. Seems like the defrost really only needs to happen based on how many times the door is open allowing humid air into the compartment. I mean if you never open the fridge or freezer the need for defrost is very little correct? Versus the case where it’s opened all the time and humid air is allowed in. I guess that correlates to how often the compressor would be running as well so it’s the best indicator. I believe these timers generally cause defrosting to happen every 14-16 hours roughly. Thanks again
Thank you very much 👍❤️
Thanks, great cutout view. I checked everything heater, thermostat & timer still no heat to the evaporator freezer could it be the timer?
Thank u for your good description and your replay
What is the readig of ammeter with capacitor provoding in series
The impedance of the circuit is determined mostly by the winding of the motor, which would be designed for the 240V, 60Hz power. The capacitor is probably to reduce arcing of the contacts rather than to limit the current. It shorts the high frequencies of the arcing while offering about 20,000ohms reactance at the 60Hz of the power. At 60Hz, only 1.2 ma of current would be passed by at 0.14 mfd capacitor to 240V rms applied.
Hi Lee very good video, Thanks for the info ,I have one question does the latest model fridge ,, (twin door , Three compartment fridge and one door fridge ,, i mean the new models ) Are they instal with timmer swich or timer board with other function circuit .
your valuable info please ...thanks
It depends. The cheaper models still use the mechanical defrost timers, but the more expensive ones use an integrated circuit board. If it has electronic temperature controls it's probably the latter.
Hi Lee thanks for your swift reply .. Forget to ask one more question... I notice that the latest model fridge have control board and other fixed compornent ,,like Thermisters and thermostat .. What i need to know is are these two compornent universal usage for all fridge or they are different in voltage and temperature .. Please confirm and thanks pal
Can you do Actuators
Very informative. Just curious. The timer motor only runs when the compressor is running. When it goes into defrost the compressor is not running. What causes the timer motor to run during defrost with the compressor off?
The power switched from the thermostat goes to the defrost timer first. During defrost, the thermostat would still be calling so the defrost timer would have power until the cycle ends, the compressor start, and the box finally cools off to set-point.
@@TechnicalLee Thanks, Lee!
Great video! Thank you for posting. It was helpful.
can you please tell me which of the motor supplying terminals is Live and which is Neuter? Its AC current, right?
Yes, AC current. Of the two I'm using, the left one is hot/line and the right one is neutral. The two unused contacts are defrost and compressor, respectively, from the left. So defrost, hot/line, compressor, neutral.
Hi lee, you says that the timer motor will only operates when the compressor is running. What makes the timer keep running during defrost cycle so that it turns back again to cooling cycle. Thanks!
It is operating when the defrost cycle is running too, as long as the thermostat is calling for cooling. Think of it like a two-way A/B switch that switches the power between the compressor and the defrost element at a timed interval.
@@TechnicalLee Sorry your wrong. Timer runs 24-7- 365. Thermostat has nothing to do with timer.
@@foobarmaximus3506 "Call for heat" and "Call for cooling" are absolutely terms commonly used when talking about thermostats. Nobody says "is your thermostat conducting?" LOL way to try to be a big guy on the internet.
Does the gear tip outside the timer spins?
Could we able to notice it from time to time??
Yes, it moves.
@@TechnicalLee ohh k bro thanks for the info
Mine doesn't spin🤷🏻♂️
So cool! Thank you. What is the average amount of time that these timers will run before needing to be replaced ?
What would happen if I disconnect the element of the defroster? I have stand alone solar power and in winter it switches on 3 times while there is little or no sun. So it's sucking my batteries flat over night.
You still need to defrost every so often or the fridge will eventually stop cooling once the coils in the back are frozen solid. What I did once was add a switch to turn power to the element on and off (defrost defeat switch). I would leave it off most of the time, and then once a week switch it on and manually start the defrost cycle by advancing the timer. Then turn it back off again after the cycle is done and the compressor runs again. If I was going to be gone for more than a week, I left it on. Look at the wiring diagram for your fridge, but I pulled the defrost element terminal out of the timer connector, then added a wire with a switch with terminals at the ends to connect to the pulled terminal and reinserted my new wire with connector into the timer connector to replace the one I pulled out. Defrost element could be 500W, so make sure you get a 120V rated switch that can handle 5 amps or more. Also make sure you have all terminals and connections insulated so you can't get electrocuted, and it's not going to short out on anything. I had my switch dangling right under the temperature adjust knob in the fridge compartment. Just make sure you do it safe, I'm not responsible if you cause a fire or electrocute someone.
Can this timer be bad even new ?
I just fix a refrigerator frigidaire it wasn't doing the defrost so when I pull back top of freezer it was built with a bunch of ice then I turn my timer in to the defrost cycle and right away heather element on freezer start heating so I figured parts on freezer are good so I replace the timer for a new one genuine timer for 5 bucks got it on especial sale
Then I week later the lady call me same issue u I'm thinking this timer something be bad even new any suggestions
I suppose that's possible if the replacement timer doesn't advance properly. You could try replacing it with another new part from a reliable source. You should also check for door seal leaks or objects holding the doors open slightly since air leaks are the next most likely cause of ice formation in the freezer compartment.
is it 110v you use to power the timer?
Yes.
@@TechnicalLee thank you
My defrost timer doesn't restart when it goes off. I replaced it with a new one but I am experiencing the same problem. Please what is the cause.
Are you waiting long enough? In some cases the defrost cycle can last 30-40 minutes. What about if you manually advance it with a screwdriver?
Defroast cycle 30-40 mts, impossible, so you mean I should sit there with screw driver for advancing after each defroast cycle. Wow.
why defroster is provided with timer
every 8 hrs refrigerator need to defrost some timer fitted for that..
SATKHIRA BD