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10
B 270-22-F+CRN 20-3 - 7009065_
UK – 27.09.2017
5.1.3 Red light illuminated at the pump
The pump does not start or has suddenly stopped and the red light is illuminated, then investigates the
following:
-
Dry run
–
Limit 1 exceeded:
Is the supply pressure higher than 2 bar?
Limit 1 exceed
: The inlet pressure has been lower than 0,6 bar for more than 3 seconds.
Check the water supply. Minimum supply is 2,0 bar at full flow.
Reset the unit. Turn the Switch
POS. C
fig 5.1 into “0” position for 5 seconds. The unit will start when there
is water consumption
Follow the instruction at the display to set it back to the home screen, fig. 5.2
-
High water temperature Limit 2 exceeded
: is the supply water below 70°C/158°F??
Limit 2 exceed
: The water temperature at the top of the pump has been higher than 80°C/176°F for more
than 3 seconds.