Causes Action
boiler detects that it has scaled up.
-
caler that is suitable for stainless steel (see
descale section). The boiler could have also
after 15 minutes of heating.
line.
NO WATER is displayed if the controller
detects that the boiler has not reached the
Ensure that the drain valve on the bottom
of the boiler is in the closed position and
service line.
OVERTEMP is displayed if the boiler temp
is above the set
temperature.
The boilers set temperature should be
reduced before powering down and allow
cooling before restarting. If the problem
TEMP SENSOR is displayed if no signal is
detected from the temperature sensor.
line.
-
on the screen.
The unit should be:
1. Powered down
3. Powered up again
4. Reset
navigation buttons must be held for 5
Stage 1 is displayed when the boiler de-
tects that the lower level probe has scaled
up but appliance operates normally
all functionality of the appliance will stop
Stage 3 is displayed when the water level
-
pliance will shut down and can become a
safety issue.
chargeable
chargeable
20
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