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Where is the on switch - my housekeeper turned it off to defrost

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Superba 48 stopped completely


Hello Shawn;

My name is Peter. I am a retired field service refrigeration technician.

You did not provide a model number. The model number is on a label, on the liner inside wall of your fresh food section near the top.

I picked a Superba 48 model number at random to see what you have. The model I picked - the control boards are not available. But these are not your problem.

Every 8-10 hours your unit completely shuts down except for the lights, and goes into a defrost mode. This is where your defrost heater turns on for 20-30 minutes, defrost your cooling (Evaporator) coil, and then turns your unit back on. You may have a bad defrost timer.

1.) Defrost Timer - Behind your unit is a defrost timer.

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The timer is mounted on the back a steel bracket with a hole through it. Take a flat head screw driver, turn the round shaft one click at a time clockwise until the unit turns on and is running.
If the unit turns on, then you have a bad defrost timer.
Note: When replacing note what contact number the black wire is connect.

2.) Power On/Off Switch - In the lower back, you also have a Power On/Off switch. Unplug the unit disconnect the 2 wire leads on the switch. Using a multi-meter, set ant the lowest Ohms (Omega Symbol), Ohm out the switch. If you get a reading other that '0', then the switch is bad.

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Dec 28, 2014 | Refrigerators

1 Answer

E-150 van blower stuck on defrost mod will not let me turn off or go to a/c mod switch is fine turns ok, stuck on defrost mod you can turn the blower off and on but it will not let you chose any other...


You most likely have a vacuum leak in the climate control switch or elsewhere behind the switch. 75% of the time the climate control switch must be replaced, otherwise in the other 25% the vacuum leak must be found and sealed(if not in the switch) before normal operation of the unit will occur.

Feb 05, 2011 | 2004 Ford E150

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I have a paragon 8145-20 defrost timer. do you wire the compressor to the timer? I cant seem to find a wiring diagram on how to wire this correctly


Link below has wiring diagrams and wiring manuals for 240V 8145-20
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

I am not expert installing defrost timers.
According to information from Paragon, 8145 is for hot gas defrosting. 8140 series are time initiated, and pressure-or-temperature terminated.
Wiring diagram does not show compressor wired to timer.

The cycle works like this:
Timer is running but defrost is not switched ON.
Fan is ON.
Timer switches ON and activates defrost cycle.
Fan turns OFF. Hot gas valve turns ON for defrosting.
Cycle limit switch is temperature or pressure sensitive.
Cycle limit switch reaches trip point, timer switches OFF.
Hot gas valve turns OFF. Fan turns ON.
So fan is off during defrost cycle.
Hot gas valve turns ON when timer switches ON.
Timer is switched OFF by pressure-or-temperature limit switch.

Dec 09, 2010 | Paragon 8145-20 Defrost Timer

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On a Paragon 8145-20 Defrost Timer, I know you land the refrigeration circuit on terminal 4, the heater on terminal 3, but what goes on terminal "X" and terminal "N"


Link below has 8145-20 wiring diagram:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

Terminal N is 2nd wire needed to complete circuit.
In 240V 8145-20, there are two hot wires.
One Hot connects to terminal 1, with jumper to terminal 2.
Second Hot connects to terminal N, and this will power the clock motor and timer.
Terminal X is for temperature or pressure termination switch.

Defrost cycle works like this:
Timer is running but switched OFF.
Refrigeration fan is ON.
Timer switches ON, defrost cycle begins.
Refrigeration fan turns OFF.
Hot gas defrost turns ON.
When temperature-or-pressure limit switch reaches trip point, it switches timer OFF.
Refrigeration fan turns ON again.
Hot gas defrost turns OFF.

Aug 01, 2010 | Paragon 8145-20 Defrost Timer

1 Answer

How to thread a Good Housekeeping sewing machine model #4900 need a manual on how to got at a yard sell


look on sewusa.com they have pictures of machines and threading diagrams. they don't list good housekeeping machines but good housekeeping doesn't make sewing machines; they just re-label someone elses look at the pictures of other machines and see if you can find one that matches yours.

Mar 01, 2010 | Sewing Machines

1 Answer

Replacement hose for Regina Housekeeper Vacuum


if you have the broken hose you can go to a vac shop and thwey should be able to match the size

Feb 26, 2010 | Vacuums

1 Answer

Rear defrost won't turn off.


Disconnect the cable that goes to the defroster at the rear windshield, this will allow you to put the fuse back for now. Check or replace the rear defroster switch. If its not the switch you have a short-circuit. You can try replacing the wires from the switch to the back windshield, you can use the same switch or an after market one will do.

May 11, 2009 | 2003 Jeep Liberty

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