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The Anatomy of a Miele dishwasher Waterproof System

Miele produces the best dishwashers on the market today. They are high end machines...very quiet, they wash well and last many years beyond the life span of a lesser quality brand. However, like all machines they do break down. One of the most common failures to occur on a Miele dishwasher is the Water Proof System (WPS). That's that mysterious grey box under your sink. What is that thing? The WPS is a dual water inlet valve. The redundancy ensures that if one valve fails to close the other wil

LI-NY Tech

LI-NY Tech

Pricing Service in a Small Service Company

From the latest USA newsletter: Pricing Service in a Small Service Company By David Oliva While doing research for this series of articles the topic that came up most frequently was pricing.  How do I know what to charge, what pricing structure should I use, what’s “fair”, what’s the value of our service, should I be cheaper than my competitor, etc?  Appropriate and profitable pricing is one of the most important parts of running a successful small service company (SSC).  It’s also

LI-NY Tech

LI-NY Tech

Running A Small Service Company

I wrote this for the USA Newsletter a while back.  Thought some people here might find it interesting.   Running A Small Service Company Small service company (SSC).  An SSC is a company made up of less than 5 employees.  The Small Business Administration statistics for 2013, the latest available, show that businesses of this size make up approximately 80% of appliance repair companies in the United States.  Businesses in this category often consist of just one person. Most of the

LI-NY Tech

LI-NY Tech

Centrifugal Pumps and Cavitation

I recently had a customer whose washing machine would not drain. I attributed this problem to the excess of suds in the tub. The customer seemed skeptical of this diagnosis and so this problem seemed like a good topic to delve further into. Oversudsing issues are very common in washing machines and dishwashers. Using the incorrect type, or an excess, of detergent can cause an oversuds situation. This often leads to drainage problems. The drain pump cannot pump out overly sudsy water. But why not

LI-NY Tech

LI-NY Tech

The Mysterious Mystery of the Miele Malady

Recently RD Appliance Service was briefly confounded by a Miele washer, a W1918, not exactly the latest model. The complaint was that the washer would not spin out the clothing at the end of the cycle, it would leave them sopping wet. Sometimes, if the customer re-ran the cycle the washer would spin. So, armed with all of the necessary technical documentation and diagnostic equipment I ventured out to the home. Upon arrival I opened up the service manual on my tablet, placed the machine into ser

LI-NY Tech

LI-NY Tech

IR Thermometers and Emissivity

"Emissivity is the measure of an object's ability to emit infrared energy. Emitted energy indicates the temperature of the object." That definition is from an article on Rayteks website titled Emissivity of Most Common Material. I only recently learned what emissivity meant, and because of that I've been using an infrared (IR) thermometer for over a decade and it seems that only now am I able to use it properly. IR thermometers measure surface temperature, not air temperature, and so it is impo

LI-NY Tech

LI-NY Tech

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