⚠
warning Apec
Error Code DRAIN NOISE
Prolonged or unusual noise from drain line typically indicates persistent output due to low input water pressure.
? What Causes This
Insufficient water pressure preventing proper shut-off function.
✓ How to Fix It
Check and increase the input water pressure. Consider boosting pressure with a pump if necessary.
Source: page 32 of the official manual
From the manual
This error code appears in:
Apec Water Roes 50