What coffee system fault codes means, common causes, and whether it's something you can check yourself before calling for service.
brew unit, descale, water tank sensor
Hard water affects the brew group and internal lines the same way it affects any espresso machine.
The mechanical heart of the machine wears with regular use.
Restricts flow and can affect both brewing and grinding performance.
Based on this code, these are the components our technicians check first. The exact part depends on your model and what we find during diagnosis.
Same-day diagnosis, genuine OEM-compatible parts, warranty of up to 1 year.
*SubZero Repair Denver is an independent repair company and is not affiliated in any way with Sub-Zero, Inc., Wolf Appliance, Inc., or any of their distributors. We are not a factory service provider and specialize exclusively in out-of-warranty appliance repairs.