TROUBLESHOOTING GUIDE
PROBLEM: POOR OR SLUGGISH FLUSH
Possible Cause:
Water supply is blocked.
Corrective Action:
Shut off water supply, disconnect supply and check water supply valve opening.
(Valve is located on wall or floor).
Possible Cause:
Water level is too low in dump bucket.
Corrective Action:
Adjust water level in dump bucket by turning black screw on top of float at counterclockwise to raise
the level. Water level must be on the water line mark. Refer to installation instructions (Step 9) to adjust
water level.
Possible Cause:
Water level in bowl is too low.
Corrective Action:
Check the refill reservoir inside bottom of tank to ensure the drain hole is open.
Possible Cause:
Water supply valve is partially closed.
Corrective Action:
Open supply valve.
Possible Cause:
Partially clogged trapway or drain.
Corrective Action:
Clear passage with plunger or an auger. If you are unable to clear blockage, please contact a plumber.
Possible Cause:
Outlet is partially blocked by wax gasket.
Corrective Action:
Lift toilet and replace wax ring gasket.
Possible Cause:
Water inlet screen is clogged.
Corrective Action:
Shut off water supply valve. Remove water inlet filter screen from inside of the bottom of supply pipe
assembly. Attach water supply tube and turn water supply valve on.
PROBLEM: FILL VALVE DOES NOT SHUT OFF
Possible Cause:
Water level in dump bucket is too high.
Corrective Action:
Refer to installation instructions (Step 9) to adjust the water lever.
Possible Cause:
Sand or debris lodged in the valve.
Corrective Action:
Shut off water supply valve; remove front cap from the Fluidmaster
turn water supply on very slowly and flush out the line.
Possible Cause:
Fill valve disk shut-off may need to be replaced.
Corrective Action:
Shut off water supply; remove the front cap from the Fluidmaster
NEED HELP? Visit: niagaracorp.com/troubleshooting
WARNING
Do not place toilet bowl cleaner tablets in the bottom of the toilet tank. The use of these tablets in this
manner may cause the bowl to clog.
valve by turning counterclockwise;
TM
valve and replace the rubber seal disk.
TM