Home Improvement Asked by RENE MONTANO on February 28, 2021
We have new LG 4500 washing machine in new townhouse w Siemens breaker panel. LG Washer keeps tripping the breakers (15A Siemens Type QAF2 – CAFCI – w ARC Fault). I hooked up the washer to a 15A Surge Suppressor – worked fine for a few times – maybe under 10 wash loads) – then started tripping again. Guess the surge suppressor got fried???
Anyway, LG Techie recommended replacing the breaker with a Siemens 15 Amp AFCI/GFCI Q115DF Dual Function Circuit Breaker. LG Techie said the design of the new Siemens breakers installed in my panel is faulty and Siemens has not fixed the faults yet. But my situation with the new townhouse, with warranty and everything, I have to get everything done thru the builders. Still have to hear back from them if they will replace the original breaker with the recommended one. Hopefully it works. Will update posting with developments.
Has anybody had any success with the recommended breaker?
Thx.
The combination of GFCI and AFCI may sound like a good idea, but AFCI’s do not handle motor loads well and motor loads with wave shaping like variable speed on a motor load if just about to be assured of tripping a AFCI protection device. GFCI’s will usually do ok on small motor loads but I have seen them trip when the motor is turned off if there is a problem. In my state the washing machine is a dedicated load and can be a standard breaker if the NEC required device is known to be a problem. I would check your states amendments to the NEC since this is a new washer and hopefully you can swap the breaker out. I do promote whole house surge suppressors as the cheap plug in ones don’t last (if the plug in did work for a while a hole house suppressor will last longer.
Answered by Ed Beal on February 28, 2021
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