Part 2: Explanations / Functions In the event of problems
21
General error list
Display Description
LOCKOUT No flame development (gas, flame)
OVERHEATING STB deactivation
AIR PRESSURE Pressure cell / Exhaust thermostat
open
WATER PRESS Insufficient water (pressure under 1
bar)
SERVICE Complete service work on boiler
Display/
Error no.
Description (please compare to boiler
manual)
75 Outdoor sensor = Check
80 Room sensor = Check
81 EEPROM error = Check set values
Error 81
This error indicates a change in the controller memory
(e.g. due to EMC). Please check all the set values.
Other error numbers
Other error numbers may appear in the controller display
as a result of the boiler. Please refer to the boiler
documents for their respective significance.
Communication with the boiler " "
When the communication symbol appears in the display,
data exchange with the boiler is possible! If this symbol
does not appear (in the clock), check the data cable to the
boiler.
Unlocking the boiler
Some boilers enable boiler errors to be reset via remote
control. To activate this function, press the "ECO" and
"PARTY" keys simultaneously for several seconds in the
event of a fault. When the function has been activated, the
error message disappears.
E If a fault occurs repeatedly, call the installation
technician to check the system.
Pump runs / runs not => automatic Pump switching
Switch off heating and pumps :
Room temperature > Set temperature + 1K / 1,8°Ra
Outside temperature > Set room temperature + 1K /
1,8°Ra
Switch on:
Room temperature < Set room temperature
Outside temperature < Set room temperature
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