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Problem
Indicator
Valve will not
Flushometer has been
flush
serviced and DOES NOT
operate
Lights operate as expected
but valve will not flush
Valve will flush but shuts
off immediately when
activated
Slight water
Water running into fixture
leak into fixture
when flushometer not
activated.
MMO button
No water flowing from the
not operating
flushometer.
Cause
Re-assembled incorrectly.
Solenoid not connected to
controller or damaged.
Diaphragm may be dirty or
damaged.
Water supply is turned off.
The Regulating Screw may
require adjustment.
Inlet filter may be partially or
completely obstructed.
Diaphragm may be dirty or
damaged.
MMO Button may be worn or
obstructed.
Solenoid damaged.
Diaphragm caught on seat.
Inlet filter may be partially or
completely obstructed.
Diaphragm not installed
correctly.
MMO button obstructed or
damaged.
Page - 16 of 25
213631, Rev. A
Check that the Cap/Solenoid Assembly has been put on the body properly.
The Regulating Screw should always be on the same side as the inlet stop.
1. Verify wiring is connected correctly. The solenoid is connected black to
black, red to red with the electronic compartment.
2. Replace cap/solenoid & regulating screw assembly if required.
See section "Cap/Solenoid & Regulating Screw Assembly Maintenance
(see Figure 18)" on
page 21
for instructions.
1. Check for damage and alignment of the diaphragm.
2. Replace Diaphragm/Guide Assembly if required.
See section "Diaphragm/Guide Assembly and Seat Maintenance (see
Figure 19)" on
page 22
for instructions.
Verify water supply is turned on.
Adjust by slowly turning the regulating screw RIGHT (clockwise) (except on
models that have a fixed volume). See section "Flush Volume Adjustment/
Réglage Du Volume De Chasse" on
1. Clean or replace inlet filter
2. Replace inlet filter if required.
See section "Inlet Filter Maintenance (see Figure 16)" on
instructions.
1. Check for damage and alignment of the diaphragm.
2. Replace Diaphragm/Guide Assembly f required.
See section "Diaphragm/Guide Assembly and Seat Maintenance (see
Figure 19)" on
page 22
for instructions.
1. Clean MMO button assembly.
2. Replace MMO button assembly if required.
See section "MMO Button Maintenance (see Figure 20)" on
instructions.
1. Replace cap/solenoid & regulating screw assembly if required.
See section "Cap/Solenoid & Regulating Screw Assembly Maintenance
(see Figure 18)" on
page 21
for instructions.
1. Check for damage and alignment of the diaphragm.
2. Replace Diaphragm/Guide Assembly if required.
See section "Diaphragm/Guide Assembly and Seat Maintenance (see
Figure 19)" on
page 22
for instructions.
1. Clean or replace inlet filter.
2. Replace inlet filter if required.
See section "Inlet Filter Maintenance (see Figure 16)" on
instructions.
1. Check for damage and alignment of the diaphragm.
2. Replace Diaphragm/Guide Assembly f required.
See section "Diaphragm/Guide Assembly and Seat Maintenance (see
Figure 19)" on
page 22
for instructions.
1. Clean MMO button assembly.
2. Replace MMO button assembly if required..
See section "MMO Button Maintenance (see Figure 20)" on
instructions.
Solution
page 7
for detail on adjusting.
page 19
page 23
page 19
page 23
for
for
for
for
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