Geberit 501-1, Operation Manual

Page: 21 / 64

EN
Troubleshooting
Malfunction Cause Measure
No flush
actuation
Water supply interrupted ▶ Check water supply connection.
Basket filter or flow limiter clogged
▶ Type 501: clean or replace the
basket filter. → See "Cleaning
the basket filter", page 24.
▶ Type 1000-2: clean or replace
the flow limiter. → See "Cleaning
the flow limiter", page 24.
Solenoid valve defective ▶ Replace the solenoid valve.
Cable connection interrupted
▶ Use the diagnostics function to
check the cable connection to
the sensors and solenoid valve.
→ See "Calling up the diagnosis
function", page 22.
Battery dead; red LED lights up
permanently or not at all
▶ Replace the battery. → See
"Replacing the battery",
page 24.
Voltage supply interrupted
▶ Check the fuse in the electrical
distributor.
▶ Have the mains cable tested by
an electrically skilled person.
No user recognition due to urine
scale deposits in the urinal trap
▶ Clean or replace the urinal trap.
→ See "Replacing the urinal
trap", page 23.
Cleaning mode activated
▶ Wait for a maximum of
30 minutes; cleaning mode is
automatically deactivated.
Decrease in flush
volume
Reduction in water supply ▶ Check water supply connection.
Basket filter or flow limiter clogged
▶ Type 501: clean or replace the
basket filter. → See "Cleaning
the basket filter", page 24.
▶ Type 1000-2: clean or replace
the flow limiter. → See "Cleaning
the flow limiter", page 24.
Solenoid valve defective ▶ Replace the solenoid valve.
Water pressure too low
▶ Increase flush time. → See
"Setting the flush time", page 19.
Water is running
continuously into
the urinal
ceramic
appliance
Solenoid valve defective ▶ Replace the solenoid valve.
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