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TROUBLESHOOTING
Your Microflush toilet is designed to give you years of trouble-free operation. Please check the
following before beginning any service or repair.
Water Supply:
Air System:
Cycle Time:
Trouble
Flapper does not open.
Water does not flow.
Nothing happens.
Flapper opens and closes 4-7
seconds after button is released,
but no water enters bowl.
Flapper opens when flushed and
closes immediately when button
is released.
Flapper opens and will not close
Water continues to run when
Microflush stool not in use.
Flush cycle is too long
Flush cycle is too short
Battery Discharged
1. Is the water shut-off valve turned to "on" position?
1. Is compressed air attached (on rail unit)?
2. Is air compressor turned on, fuse OK (solar unit)?
3. Is regulator set to 60-65 psi?
4. Do you have any air leaks or kinks in the air system?
5. Do you have water in the air system? This will cause irregular timing. Drain
the air reservoir and check filter regulator for water. To check for water in the
Air/Water Sequence Valve, remove bleed off plug, put finger over screw
opening and flush. If water is present, it will squirt from sides of valve body.
If water is detected, then air cylinder and airlines must also be drained.
1. Is bleed off plug blocked? Remove, clean and reinstall.
1. No air supply to stool.
2. Water has accumulated in
Air/Water Sequence Valve
1. No water in tank.
2. Water turned off.
Debris in check valve at base of
Air/Water Sequence Valve.
Bleed-Off plug blocked
1. "Flush" button stuck in down
position.
2. Foreign object is under water
valve in Air/Water Seq. Valve.
Bleed-Off Plug blocked.
Bleed-Off Plug missing or related
air lines leaking
1. Cloudy weather conditions for
more than four days in a row
2. fuse blown on charge
Water-Loo, Inc.
15173 North Road • Fenton, MI 48430
810-714-4626 • Fax 810-714-4680 • www.fcmrail.com
Possible Cause
controller
8
Correction
1. Connect air supply or turn on
compressor.
2. See "Air System" above
1. Re-fill water tank
2. Open "shut-off" valve
Clean Air/Water Sequence Valve
Remove, clean or replace,
reinstall
1. Remove, clean or replace,
reinstall flush button.
2. Clean Air/Water Sequence
Valve
Remove, clean or replace,
reinstall.
Replace Bleed-Off plug and
check air lines for leaks
1. Re-Charge battery with battery
charger or position unit so that
solar panel faces sunlight
2. check for blown fuse on
charge controller, replace if
blown
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