During the diagnostic our tech saw that the evaporator coil in the fresh food section was frozen. This evaporator coil does not have a heating element so he started checking what else could be causing this issue. He checked the defrost sensor, which was working fine since based on proper functioning after holding the +/- button of the freezer and +/- button of the refrigerator simultaneously. The tech had to see what the manual for this fridge had to say about this type of problem. Based on the information from http://allthumbsdiy.com/appliances/ge-profile-refrigerator-pfcf1nfwa-how-to-use-built-in-control-diagnostics-part-2 , he decided to replace the GE WR55X10947 Board Asm Main Control. Once he did that, the fridge started cooling again and defrosting. He also suggested replacing the WR57X10053 since it looked like it was leaking more freon of high pressure than needed, but that would be confirmed only with time and monitoring how the fridge behaves. The customers also asked to have the drip pain replaced since the old one was too old and rusty
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This customer’s Nu-Vu UB-5/10 Bread Oven stopped working. At first glance, everything seemed to be working fine, but with a more thorough check the tech noticed that the control board was not getting 208V power. He had to pull up the the whole power supply diagram before doing any further work. Once he was familiar with that, he started checking the wires and was finally able to find the disconnection and fix it. Most likely, one of the wires was simply defective.
We got a call for commercial order from the Indian Street Cafe. They needed urgent help with their TurboAir fridge that had stopped working properly. During the diagnostic our technician noticed a big chunk of ice that has accumulated on the evaporator coil. Apparently the seal of the fridge was not airtight anymore. Replacing the door gaskets and the defrost sensor fixed the defrosting problem of TurboAir M3R47-2 fridge.
Whenever the customer was trying to get some water from the water dispenser of his GE fridge, there was scary loud humming noise which seemed to be coming from where the water filter is connected. Our tech decided to try replacing the Refrigerator Water Filter Head Assembly Part #: WR17X11894 - and it fixed the problem. With the new water filter assembly the humming noise during water dispensing has stopped.