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Service Tip for Samsung Refrigerators that Shuts Down and Won't Re-start Until Unplugged and Plugged Back In

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 31 January 2013 · 2,049 views
Samsung, refrigerator

This is Samsung service tip with part #'s for this unit hope it makes it easier


Service Tip (Local)
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Refrigerator Stops Running Until Unplugged Category Home Appliances > Refrigerator > Bottom Freezer Model Code RB1844SL/XAA / RB1844SW/XAA / RB1855SL/XAA / RB1855SW/XAA / RB1855VQ/XAA / RB1944SL/XAA / RB1955SH/XAA / RB1955SW/XAA / RB1955VQ/XAA / RB2044SL/XAA / RB2044SW/XAA / RB2055BB/XAA / RB2055SL/XAA / RB2055SW/XAA / RB2155SH/XAA / RB2155SW/XAA Added by STEVEP Registered date 06.01.2008 Description


Symptom: Refrigerator stops running and cooling daily and will not run unless unit is unplugged and plugged back in.
Models Effected:RB units with 4 letter model numbers such as RB2055 / RB1944 / RB1844 etc .......
Possible Cause and Diagnostic Procedure.

  • Check Both Defrost Circuits for Open Thermal Fuse.
  • Access Main PCB in compressor compartment and locate CN70 connector.
  • For Refrigerator compartment check for an open circuit by taking a resistance reading between WHITE and GREY / For Freezer side check between BROWN and GREY.
  • If open Thermal Fuse is identified it is recommended to replace both compartment Thermal Fuses with a Bi-Metal as well as both Defrost Sensors.
  • Bi-Metal # DA47-10160H
  • Sensor #DA32-00006W
NOTE:
If one of the thermal fuses fail the unit will not come out of defrost and will only restart when unplugged. Once unit is powered back up the board defaults to factory settings. The unit runs and will go into defrost after 4hrs of compressor run time and never come out until unit is powered down and back up again. Then 4 hours later the same thing and so on.......
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To learn more about your Samsung refrigerator or to buy parts, click here.

Source: Samsung Refrigerator RB2155SH XAA shuts down every 6 hours


How to Test the Motor and Start Capacitor in a Whirlpool Direct-Drive Washer

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 31 January 2013 · 4,290 views
Whirlpool, washer, capacitor and 1 more...

With a simple multimeter, you can do a basic static test of the capacitor. All this tells you is if the capacitor is shorted or not. Basically tells you if it's bad but not necessarily if it's good. You should first short the capacitor out with a screwdriver to make sure it doesn't have a charge on it that could damage your meter. Set the meter to read ohms and place the probes across the terminals. Initially, it will be a short circuit and read zero or very low ohms but it will quickly charge up so the reading should be increasing in ohms value. It's best to do this with an analog meter so that you can see the meter needle swing as it charges up rather than seeing a bunch of increasing numbers on the digital meter.

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To get a better indication of the condition of the capacitor, many multimeters have a capacitor check function that will read the value of the capacitor. Something that just an ohmmeter cannot do. Here, I am showing this type of meter reading a capacitor from a GE machine. It is showing 47.39 microfarads which is within tolerance of the 45 mf capacitor.

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The problem with these static tests is that you are only using the low DC voltage of the meter to test the capacitor while in actual use, they will have 120vac across them. I have a piece of test equipment that will do full dynamic testing of capacitors that place full rated voltage across them and check for value, leakage, and ESR (resistance). This can find problems that a multimeter cannot. Most tech's don't have this type of equipment and really don't need it. If it doesn't look like it's been cooking, doesn't smell bad, isn't shorted (seems to charge ok with multimeter), it's probably ok. Best to just carry a couple spares to do a quick swap check anyway. You cannot bypass the capacitor as the motor needs it to start. You can however, disconnect the capacitor, apply power to the motor and quickly start it by hand to see if it functions. On Whirlpool motors, the capacitor is switched out of circuit anyway as soon as it gets going.

As far as the motor windings, overload and switch, you can do some basic ohmmeter tests. For the Whirlpool motors, you should read 4 to 7 ohms across the start winding (yellow and black wires), 3/4 to 2 ohms across the high speed windings (blue and white wires), 1 1/2 to 3 ohms across the low speed winding (white/violet and white wires), and 1 1/2 to 3 ohms across the extra low speed winding (white/orange and white wires). You can check the overload switch between the white/black and white wires which should read dead short (zero ohms). With the motor switch in place, you should read short (zero ohms) across the red terminal and black wire (start winding switch) as well as the same across the orange terminal and blue wire. You must remove the switch to further test the switch mechanism. With the switch removed, you should have open circuit between red terminal and black wire and open between orange terminal and blue wire and dead short between orange terminal and violet/white wire.

Power applied to a motor that won't rotate can be bad on the motor windings and capacitor. The capacitor is only meant to be in circuit for just a second or two til the motor gets up to speed. It is then switched out of circuit by the motor switch. If the motor won't rotate or the switch fails, the capacitor can quickly be destroyed.

Eric



Source: How to test a Whirlpool Direct-Drive Washer 3-speed motor & capacitor?


A New Trick for Frigidaire Door Boot Replacment

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 30 January 2013 · 610 views
Frigidaire, washer, door, boot and 1 more...
If you've ever tortured yourself by trying to install one of the old-style Frigidaire washer door boots, you'll be very interested in this clever, new technique developed by Academy Fellow nickfixit:

Getting the spring on the tub end of the door boot can be a real fight. The little rubber inserts they send with the boot kit isn't much help. Yesterday I tried something that worked really well. If you're familiar with the Whirlpool built front loaders, you know they have 2 styles of pumps. The pump that has the 2 mounting screws that come up through the base panel has a rubber isolation pad. Start saving these pads.

If you take that pad and cut it in half, you will end up with one piece that looks like a wide short door stop. These pieces are perfect to wedge in between the door boot and the counterweight to hold that spring in place. I made 4 of them, and it was the easiest time I ever had getting that boot installed.

Nick




Source: A new trick for Frigidaire door boot replacment


Orifice Size Code Markings for LG Gas Stove Burners

Posted by Samurai Appliance Repair Man, in Oven-Range-Stove Repair 15 January 2013 · 1,301 views
gas, stove, burners
The orifice hoods are the little brass hoods that screw down on the gas jet that supplied the stove burners in a gas stove. Their purpose is to meter the correct amount of gas into the air-fule mixture that gets ignited at the burner ring. The diameters of the orifice vary with the BTU rating of the burner and the type of fuel being burned. Professor john63 provides us this handy listing of orifice metering hood size codes for LG gas cooktops and ranges:



Orifice size is determined by a letter stamped onto the orifice:

NATURAL GAS

LF: C
LR: D
RR: G
RF: H
CTR: D
BROIL: A
BAKE: B

LP GAS

LF: L
LR: M
RR: P
RF: Q
CTR: M
BROIL: D
BAKE: F




Source: LG Center Burners


How to Fix a Whirlpool Cabrio / Maytag Bravo / Kenmore Oasis Washer with both an F50 & F51 Error Codes

Posted by Samurai Appliance Repair Man, in Washing Machine Repair 15 January 2013 · 2,347 views
whirlpool, cabrio., maytag, bravo and 3 more...

Both are RPS sensor errors...
You'll prolly need to update the sensor, harness and control.
Ouch

Sensor and harness ==> Part number: W10183157

Part number: W10183157




Control ==> Part number: W10189966

Part number: W10189966


Also check for clothes or foreign objects stuck in between the inner wash basket and the outer tub and for a loose bolt on the rotor at the bottom of the machine.

RPS= Rotor Position Sensor



Source: wp cabrio wtw6600sw






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