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Samurai Appliance Repair Man's Blog



Keyswitch resistance check table to test the touchpad keys in a Whirlpool DU1145XTPQA Quiet Partner II dishwasher

Posted by Samurai Appliance Repair Man, in Dishwasher Repair 26 March 2011 · 1,262 views

KEYSWITCH RESISTANCE CHECK TABLE

KEY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+Pos. Lead – Neg. Lead

DELAY HOURS . . . . . . . . . . . . . . . . . . . . . . . . . . . P1-12 . . . . P1-2
SMART WASH/ACCUSENSE/ ADAPTIVE WASH . . P1-13 . . . . P1-2
SOAK & SCOUR/STEAM/STEAM SANI . . . . . . . . . P1-11 . . . . P1-3
CANCEL/DRAIN . . . . . . . . . . . . . . . . . . . . .. . . . . .P1-12 . . . . P1-3
POTS & PANS/HEAVY. . . . . . . . . . . . . . . .. . . . . . P1-13 . . . . P1-3
HIGH TEMP. . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. P1-11 . . . . P1-4
START/RESUME. . . . . . . . . . . . . . . . . . . . . . . . . . P1-12 . . . . P1-4
NORMAL WASH/NORMAL. . . . . . . . . . . . . . . .. . . P1-13 . . . . P1-4
SANI RINSE. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . P1-11 . . . . P1-5
TURBO/PRO SCRUB/POWER SCOUR. . . . . . . . . . P1-12 . . . . P1-5
CHINA/LIGHT. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . P1-13 . . . . P1-5
HEATED DRY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P1-11 . . . . P1-6
RINSE ONLY/QUICK RINSE. . . . . . . . . . . .. . . . .. . . P1-12 . . . . P1-6
GLASS XPRESS/FAST WASH/ QUICK CLEANUP . . P1-13 . . . . P1-6


Source: Whirlpool DU1145XTPQA Quiet Partner II Dishwasher Not starting


Troubleshooting tips for LG electric dryers that won't heat

Posted by Samurai Appliance Repair Man, in Dryer Repair 26 March 2011 · 2,863 views

Sublime Master john63 is The School's resident LG and Samsung expert and offers these troubleshooting tips for LG electric dryers that won't heat gleaned from actual hand-to-hand combat with these machines.

HEATING ELEMENTS in LG dryers **rarely** fail.

Unless-----the *exhaust vent* from the rear of the dryer-to-the-outside-venthood is/has been blocked/restricted for a very,very long time.

Even then---the Heating Element usually does not fail.

I've replaced perhaps **one** Heating Element in nine years.

On the other hand---THERMAL LIMITERS will & do fail if the *exhaust vent* is blocked/restricted.
If the *exhaust vent* is a very short-length (1 to 3 feet)---then the liklihood of the vent causing a failed THERMAL LIMITER is nil. The 2nd most common cause of *failed* THERMAL LIMITERS is from Fabric Softener Sheets. Once-in-awhile the Fab. Soft. Sheet will become "caught/sucked" onto the LINT FILTER HOUSING and this causes a giant reduction in AIR FLOW.
Air movement from the Heater-Through-The-Laundry-Through-The-Lint-Filter-And-Exiting-The-Dryer-Exhaust-Vent slows to such a reduced a level---which then causes the Heater Housing Temperature to "spike". This in turn causes the THERMAL LIMITER to *shut-down* the Heater--for safety.



When I get an LG electric dryer that has a NO HEAT complaint--the very first thing that I will examine/rule-out will be the *exhaust venting* that runs from behind the dryer to the outside dryer vent hood. If the vent is has been verified 100% to be absolutely-positively clear/unobstructed---and...

1) The wall receptacle has 220 volts

***Unplug the Dryer at this point***

2) The TERMINAL BLOCK is not damaged/burnt (this is where the dryer plug attaches to the dryer)

Then it's time to inspect the THERMAL FUSE. This is centrally-mounted on the side of the HEATER HOUSING.
If the THERMAL FUSE (6931EL3003D) has failed a *continuity* test using a Digital MultiMeter (DMM)--it should be replaced along with the THERMOSTAT (6931EL3001E) which is also mounted on the HEATER HOUSING.

If the THERMAL LIMITER tested "good"...

Place the test leads into the Motor Connector/Plug. One test probe into each of the two *thickest* wires of the Motor Plug.

Looking at the Motor---you'll notice a *black ring* on the motor shaft directly opposite the Motor PULLEY.
This *black ring* is part of the CENTRIFUGAL SWITCH on the Motor (prevents the Heater from functioning if the Motor fails to start).
Use your finger to slide the *black ring* towards/in the direction of the BLOWER WHEEL (it'll slide about 1/2 inch).
At this point the DMM should show *continuity*. If not--replace the MOTOR.

If the CENTRIFUGAL SWITCH tests good---replace the MAIN BOARD (a rare failure for a NO HEAT condition but not impossible).


Source: LG DLE7177RM Not Heating


Hillstomping Update: Mt. Sava with the Oz Man, 3/15/2011

Posted by Samurai Appliance Repair Man, in Hillstomping Update 25 March 2011 · 370 views

Up the Ammonusuc Trail and down the Jewell Trail. Amazing conditions for these last few days of winter: snow was still stiff, consolidated and buoyant, warm temps (around 0F with wind chill), and full on sunshine on this bluebird day. Lots of other hikers out, too-- look for 'em in the slideshow, best viewed in full-screen mode with your volume turned up so you can groove on the soundtrack.


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