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Item 63922, 63923
Page 26
11 2023-1
Backwash flow rate too high or
too low
1. Incorrect control valve used
1. Replace with correct control
valve.
2. Foreign objects influence con-
trol valve
2. Clean control valve.
Note!
The above solutions are for reference only. If the machine breaks down, please call in professional
technicians to solve the problem.