Dryer keypad E72 call service, what does this mean?
Hi Don, this is AP!
I understand you are receiving an error code of E72 on your Frigidaire dryer. Without knowing the model number specifically I can tell you the general explanation for an E72 code is an outlet control thermistor short circuit. The recommended solution is to check the resistance of the outlet control thermistor, and check wiring for a short circuit across the thermistor connections. Resistance should be between 4.9K ohms and 6.2K ohms at room temperature (68-77F or 20-25C). You may possibly need to replace the outlet control thermistor and/or wiring and retest.
However, this is not a typical DIY project. I would recommend reaching out to an experienced appliance technician just to ensure no troubleshooting step has been missed. Parts are often costly and if the problem is precisely diagnosed, it can save you a lot of time and funds.
Best of luck,
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