31
KWE P
/N 542 0
19 Ve
rsatronik
COMO OT V1
.1
06/2009 Tec
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General error list
Error 81
This error indicates a change in the controller
memory (e.g. due to EMC). Please check all the
set values.
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.
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
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.
Pump runs/ runs not => automatic Pump switching
Switch off heating and pumps :
Room temperature > Set tempe 1K
Outdoor temperature > Set room tempe 1K
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.
Switch off heating and pumps :
Room temperature > Set tempe 1K
Outside temperature > Set room tempe
1K
Control Operation
Sectio
n 3.5
