Installer Manual Fleck 5810 - SXT - Operation
Ref. MKT-IM-016 / C - 08.06.2018 79 / 106
8.4. Operation during a power failure
• Current valve position, cycle step time elapsed, and time of day is stored 48 hours during a power
failure, and will be restored upon power restoration;
• in regeneration, when power is shutting down, the controller saves the current regeneration
data. When power is restored, the controller resume the regeneration cycle at the point where
power failed;
Caution
Without power, the valve stay in its current position. The system should include all required
safety components to prevent overflows.
• all the program settings are stored in a permanent memory;
• time is kept during a power failure and the time of day is adjusted upon restoration of the power
(as long as the power is restored within 48 hours);
• the time of day on the main display screen will flash when there has been a power failure;
• the flashing of the time of day can be stopped by pressing any button on the display.
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