Bosch Greenstar Boiler ZBR35-3 flame gone after ignition 点火两秒后火苗消失问题

三年新Bosch Greenstar Boiler ZBR 35-3，点火两秒后火苗消失。诚请有经验技师上门解决问题。

3 years new Bosch Greenstar Boilder ZBR 35-3, the flame disappered after 2 second after ignition. I'm looking for expeienced technician come to get the issue resolved. Please send sms or call me via 604-5181895. Thanks!

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