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critical Silvercrest
Error Code D Y|Water detected in heater
Repeated persistent low flow issue; system shut down as per third 'DR' occurrence.
? What Causes This
Continued inadequate water or circulation malfunction.
✓ How to Fix It
Follow guidance for previous DR alerts and reset manually if not resolved.
Source: page 8 of the official manual
From the manual
This error code appears in:
Silvercrest Sfb 80 A1 Foot Spa