Grohe 39 141, Manual, Page: 7 / 14

4
Automatic flushing (72 Hours) activate/deactivate
Maintenance
, see Fig. [14] and [15].
• Shut off water supply
• Inspect and clean all components and replace if necessary
A nearly discharged battery is indicated by 2 beep sounds
after pressing the transmitter button. Flushing is then initiated.
An empty battery is indicated by a beep sound every minute.
Flushing is no longer initiated.
Replacement parts , see fold-out page I (* = special
accessory).
Disposal note
Dispose of batteries in accordance with national
regulations!
The flow volume can be changed within 20 seconds of
flushing (if necessary) by pressing the button again. The
selected flush setting is stored if the button is not pressed
again within 20 seconds of flushing.
1. Activate registration mode by pressing button (A), see
Fig. [10].
Indicator lamp (B) displays:
██
2. Repeat pressing and holding button (A).
Indicator lamp displays:
▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌ _____ ▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌▌ _____ ████
3. When
████
appears, release button.
4. Button pressed for the first time (within 2 seconds)
Indicator lamp displays:
██ ██ ██ ██
Automatic flushing activated
Button pressed for the second time (within 2 seconds)
Indicator lamp displays:
██████ ██████
Automatic flushing deactivated
Each press of the button switches between the two states.
The selected setting is stored if the button is not pressed
again within 10 seconds of flushing.
Fault/ Cause / Remedy
Fault Cause Remedial action
No flushing after the radio
transmitter has been actuated • Water supply interrupted - Open isolating valve in cistern
• Radio transmitter not registered - Registering a radio transmitter
• Batteries in radio receiver unit are empty
(a beep is sounded every minute)
- Replace batteries
• Servo motor defective (no rotation) - Replace radio receiver unit
• Radio transmitter is too far away - Install radio transmitter within
transmission range (10 m)
• Battery in radio transmitter is discharged - Replace battery in radio transmitter
Water flowing continuously • Outlet valve not closing - Repair or replace outlet valve, see
instructions for cistern
• Servo motor defective (lever does not
return to end position)
- Replace radio receiver unit
Undesired flushing • Adjacent radio transmitter unintentionally
registered
- Delete all radio transmitters and re-
register the correct radio transmitters
• Automatic flushing activated - Deactivate automatic flushing
Flow volume too low • Servo motor defective (incomplete
rotation)
- Replace radio receiver unit
• Residual flow rate too high - Push residual flow slider downwards
• Flow rate in cistern too low - Turn float of filler valve further upwards
2 beeps sound after the radio
transmitter has been actuated • Batteries in radio receiver unit are nearly
discharged
- Replace batteries