Question about Paragon 8145-20 Defrost Timer

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MY 8145-20 DEFROST TIMER WILL NOT ADVANCE,

I HAVE HAD A 8145-20 DEFROST TIMER ON MY FREEZER THAT STOPED ADVANCING, THOUGHT THAT THE MOTOR WAS BAD . REPLACED THE TIMER WITH A NEW TIMER AND THE CLOCKE WILL STILL NOT ADVANCE? ANY THOUGHTS R.B.H.

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  • butterflylad Feb 16, 2009

    voltag to timer is off the main breaker and is hot but reads only 110 secound link comes from the walkin freezer, could it be the thermostat or defrost termination, would these have a hot loop back to timer? when the timer is advanced by hand the freezer will defrost . thanks r.b.h.

  • Thomas F. Schneider May 11, 2010

    Voltage to timer? 

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  • Master
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I am not sure of your wiring but see no reason that you could not run straight from the breaker to the timer and the timer to the freezer. Determine how long you want the defrost time to be on each hour and set the pegs accordingly. This is if I understand or picture your timer correctly. You have a walk in Freezer, and a rather large box 110 volt timer,correct? The pins on the 24 hour timer wheel can be taken off or moved? If I am wrong, I am sorry. I have the wrong picture in mind. 

Posted on Feb 16, 2009

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1 Answer

Defrost timer does not advance after defrost


Hi,

During this time of defrost you manually advanced into, Did the heater turn off them self? If they did the defrost thermostat does work, if the heaters stayed on the entire time (1hr) than the thermostat needs to be replaced as well as the timer. The thermostat is a cut off device to prevent the over heating of the freezer and liner (safety device). Think of a defrost timer as an egg timer, this timer runs regardless of function just advances like a clock. The thermostat turns off the heaters when they reach a temp rather then time. I hope this answered your question, good luck

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Try Checking the Defrost Timer
The defrost timer is usually found behind the front grill "toe kick" of the refrigerator. It may also be found behind a cover plate inside the refrigerator or freezer, in the temperature control console, or behind the refrigerator near the compressor.
To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. This advances it to the next mode. If it was cooling before, it is now in defrost mode. Simply wait about 35 minutes and check whether it has left defrost mode and has resumed cooling (listen for the compressor). If it does not advance, the timer motor is probably bad and the entire timer needs to be replaced. If it advances as it should, then you can follow the steps below to test the switch electrically.
The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.bobicehouse_26.jpg

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Hi,
Frost accumulating on the freezer is an indication of a defrost failure. It likely has one of three failures.
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In order to confirm, which has gone wrong manually advance this refrigerator into a defrost cycle. This is done by doing the following in order:
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1 Answer

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Hello,

A mechanical defrost timer controls the defrost cycle of the freezer. In older models, the timer runs continuously and roughly every six hours, cuts power to the cooling system and sends power to the defrost heater. In newer models the timer advances only while the compressor or defrost cycle is running - an improvement for efficiency. As the timer continues to advance, power to the heating element is cut and power is restored to the cooling system. If the timer does not advance, the appliance will be stuck either in defrost or refrigerate mode, resulting in, respectively, no cooling or frost build-up.

The defrost timer is usually found behind the front grill "toe kick" of the refrigerator. It may also be found behind a cover plate inside the refrigerator or freezer, in the temperature control console, or behind the refrigerator near the compressor. To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. This advances it to the next mode. If it was cooling before, it is now in defrost mode. Simply wait about 35 minutes and check whether it has left defrost mode and has resumed cooling (listen for the compressor). If it does not advance, the timer motor is probably bad and the entire timer needs to be replaced. If it advances as it should, then you can follow the steps below to test the switch electrically.
The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.

Take care.

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The defrost timer is usually found behind the front grill "toe kick" of the refrigerator. It may also be found behind a cover plate inside the refrigerator or freezer, in the temperature control console, or behind the refrigerator near the compressor.
To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. This advances it to the next mode. If it was cooling before, it is now in defrost mode. Simply wait about 35 minutes and check whether it has left defrost mode and has resumed cooling (listen for the compressor). If it does not advance, the timer motor is probably bad and the entire timer needs to be replaced. If it advances as it should, then you can follow the steps below to test the switch electrically.
The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.
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The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.
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1 Answer

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Dear customer,
       The defrost timer is usually found behind the front grill of the freezer. It may also be found behind a cover plate inside the freezer, in the temperature control console, or behind the freezer near the compressor.
     To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. This advances it to the next mode. If it was cooling before, it is now in defrost mode. Simply wait about 35 minutes and check whether it has left defrost mode and has resumed cooling (listen for the compressor). If it does not advance, the timer motor is probably bad and the entire timer needs to be replaced. If it advances as it should, then you can follow the steps below to test the switch electrically.


          The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.


Plz rate this solution.. thank you.. 

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