Operating; Description Of Display - Grundfos LC 221 Manual De Instrucciones

7. Operating

7.1 Description of display

The display of the LC 221 level controller is shown in fig. 8.
Fig. 8 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
Description
The symbol is visible when the setup menu is locked. This prevents unauthorised persons from
making changes to the settings. To unlock the buttons, 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. The fault
will be written into the fault log. After you have entered the fault log, the symbol will disappear.
See section 7.3 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 settings. For the procedure and a description of the settings, see section 7.2 Setup menu.
The symbol is visible if an alarm situation occurs. The type of alarm can be displayed at the
information menu. The symbol disappears when the fault has disappeared.
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.
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