REMEHA iSense Guide D'utilisation page 72

Water pressure too low
Fault indication
Display text
Solution
E-code: boiler failure
Fault indication
Display text
Solution
Current water pressure
e and c are lite up
The water pressure in your central heating system is too low.
Top up the water in the central heating system. See the documentation
for your boiler.
E-code
c is lite up
Boiler failure: Consult the fault table for the boiler, or for appliances
betweenthe iSense and the boiler.
Use the E-code to find the fault in the appliances to be controlled, e.g.
boiler,cascade controller or c-Mix.
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