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3. FLOW RATE ADJUSTMENT
Pressing fl ow rate select
button will not change fl ow
rate and display
Dispensing action is
stopped
Stop dispensing and press
fl ow rate select button
Normal (Nor.) mode is
selected
Select normal (Nor.) mode
and press fl ow rate select
button
Flow control valve connector
is disconnected
No
No
Yes
Reconnect
1. Flow control valve defective
2. Open circuit
Yes
Yes
No
Yes
Flow rate remains
unchanged or below
"HI" setting
Water supply pressure not less
than 0.15 MPa (21.76 psi)
Pressure ensured even
with a large amount of tap
water used elsewhere
Low water
supply pressure
Valves and pipes free from
foreign matter or clogging
Low water
supply pressure
Remove foreign matter,
unclog or replace
No
Yes
No
No
Yes
Note: The actual fl ow rate may differ from the setting depending on variation of the fl ow
rate sensor in the fl ow control valve.
e.g. Total fl ow rate setting [standard 1.06 gal/min (4.0 L/min)] --> actual fl ow rate [1.19
gal/min (4.5 L/min)]
If the difference is too large, use the adjustment mode (AdJ.) to adjust the total fl ow
rate (A3).
e.g. Total fl ow rate setting [0.92 gal/min (3.5 L/min)] --> actual fl ow rate [1.06 gal/min
(4.0 L/min)]