Operating Lc 221 Controller; Description Of Display - Grundfos Multilift M Series Installation And Operating Instructions Manual

6. Operating LC 221 controller

6.1 Description of display

The display of the LC 221 level controller is shown in fig. 11.
Fig. 11 LC 221 display
The table below describes the symbols shown in the display as
well as the corresponding functions and indications.
Symbol Function
Settings locked
Automatic operating
mode
Information
Setup
Alarm
Impulse counter
Settable times and fault
indication
18
Description
The symbol is visible when the setup menu is locked. This prevents unauthorised persons from
making changes to the settings. To unlock, enter the code 1234.
The symbol is visible when the level controller is in automatic mode, i.e. when the selector switch
is in position AUTO.
The symbol is visible when there is information about faults, operating hours, number of starts,
max. current of pump. The symbol will be visible if the level controller detects a fault, and the fault
will be written into the fault log. After you have entered the fault log, the symbol will switch off.
See section 6.3 Information menu.
The setup menu holds information about setup for start level, rated current, the stop-, start- and alarm
delay, selection of maintenance interval, reset (automatic or manual) and reset back to factory set-
tings. For the procedure and a description of the settings, see section 6.2 Setup menu.
The symbol is visible if an alarm situation occurs. The type of alarm will appear from the
information menu. The symbol disappears when the fault has disappeared or been reset.
The symbol is visible when the number of starts in the information menu is shown in the display.
The symbol is visible when the operating hours in the information menu and the delays set in the
setup menu are shown in the display. The symbol flashes when max. operating time has been
exceeded.