Hi
Error 62 is related to hot surface ignitor (HSI)or/nglo module
you can check the resistance of the ignitor should be less than 10 oms @ 20 degrees
failing that, if you incomming suppy exceeds 270 volt will also result in error 62
Testimonial: "The error did indicate an HSI problem but it turned out to be a fault on the circuit board of the control module, thanks anyway"
When it comes to error 62 resetting the unit probably won't work. Because the NG1/lo is INSIDE the heater it is subject to significant hot / cold temperature fluctuations - causing crystallisation in soldered joints on the PC board and a loss of electrical continuity.
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