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I have a Utica boiler UB95-200 with four zones for baseboard heating. Each with its on zone valve and one common circulator pump. I also have another zone for an indirect water heater with it's own pump. An argon 6 zone controller prioritizes what get's heated first. The baseboard heating and indirect water heater all connected by 3/4" copper pipe.
The problem is I keep getting soft error code b-30 and then after a while E-30. I have had plumbers come in and tell me that soft error code is normal and the unit will reset itself after awhile. But mine does not reset itself in time and goes to E-30 which is a hard error code and the unit is off until I manually reset the unit. Help I can't keep resetting all through fall and winter coming.
Thanks for any help you can provide.