Maintenance; Troubleshooting - Hans Grohe ShowerSelect 15743 1 Series Installation And User Instructions Manual

Maintenance

• Should the volume of water decrease over time,
first inspect and clean the showerhead(s). If the
problem persists, inspect the cartridge.
• To prolong the life of the thermostatic cartridge,
regularly run it through its complete range of
temperatures.
• At least once per year, inspect the check valves.
Replace if dirty or worn.
Use caution with skin contact to hot
water to reduce the risk of scald injury.
Before servicing the valve, turn the

Troubleshooting

Problem
Insufficient water
Crossflow, hot water being forced into
cold water pipe, or vice versa, when
mixer is closed
Spout temperature does not cor-
respond with temperature set
Temperature regulation not possible
Safety stop button not operating
Shutoff valve stiff
Shower or spout dripping
Pushbutton cannot be actuated or is
without function
Pushbutton is jammed or stiff
Pushbutton does not snap in
32
• When reassembling after maintenance, set the
• If the shower will not be used for an extended
• If you have questions, please contact Hansgrohe
Possible Cause
Supply pressure inadequate
Regulator filter dirty
Handshower filter seal dirty
Backflow preventers dirty or worn
Thermostat has not been adjusted
Hot water temperature too low
Thermostatic cartridge dirty or worn
For new installations: rough valve
incorrectly connected (should be:
cold right, hot left)
Spring dirty or worn
Button calcified
Select shutoff valve DN9 dirty or
worn
Select shutoff valve DN9 dirty or
worn
Safety guard of on-off valve has not
been removed
O-ring needs to be lubricated
Select Adapter trimmed incorrectly
water off using the stops on the iBox
Universal Plus or at the main shutoff.
high temperature limit stop before reinstalling the
handle.
period of time, turn off the water to the shower
valve by using the service stops in the iBox
Universal Plus rough, or at the main shut off.
Customer Service at 800-334-0455.
Check water pressure (If a pump
has been installed check to see if
the pump is working).
Clean filters
Clean filter seal between hand-
shower and hose
Clean backflow preventers, replace
if necessary
Adjust thermostat
Increase hot water temperature
Clean thermostatic cartridge,
replace if necessary
Rotate function block 180°or cor-
rect the plumbing
Clean spring and/or button,
replace if necessary
Replace Select shutoff valve DN9
Replace Select shutoff valve DN9
Remove safety guard from isolating
valve
Lightly lubricate the o-ring using
white plumbers' grease
Trim and mount Select Adapter ac-
cording to Fig. 8.
Press the pushbutton into the
escutcheon, then mount the escutch-
eon.
Solution