Another customer’s fridge wasn’t cooling enough. Once our technician got to checking the refrigerator, he noticed that the evaporator coil was covered with snow and ice. He checked the heating element and the defrost thermostat, but they were functioning properly. The issue was with the KitchenAid main control board WPW10219463 - one of the relays was not closing the circuit. Our tech soldered the relay. Then he turned on the diagnostic cycle on the fridge by holding two buttons simultaneously - POWER + Water filter reset and switched to number 7. Once he did this, the heating element started getting the power and the KitchenAid KSSC48QMS01 fridge started working properly.
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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.