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7.3
Error list
The errors are displayed on the interface in the indoor unit (see paragraph "System interface SENSYS HD").
Indoor unit errors
Code
Description
114
Outside temperature not available
730
Buffer high probe error
731
Buffer overtemperature
732
Buffer low probe error
902
System flow sensor damaged
923
Heating circuit pressure error
924
HP communication error
927
AUX inputs correspondence error
928
Energy supply shutdown configura-
tion error
933
Flow sensor overtemperature
934
DHW tank sensor damaged
935
Tank overtemperature
80 / EN
Temperature control activation based on the external sensor
External sensor not connected or damaged. Check the sensor's connection
and replace it, if necessary.
Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor's connection and
replace it, if necessary.
Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor's connection and
replace it, if necessary.
Buffer filling inhibited. Check the hydraulic diagram.
Buffer sensor not connected or damaged. Check the sensor's connection and
replace it, if necessary.
Delivery sensor not connected or defective. Check the sensor's connection
and replace it, if necessary.
Check for any water leakages in the hydraulic circuit
Faulty pressure switch
Defective cabling of the pressure switch. Check the connection of the pres-
sure switch and replace it, if necessary.
Check the cabling between the TDM board and the Energy Manager
Verify the configuration of parameters 1.1.3 and 1.1.4
Check the configuration of parameter 1.1.5
Check the flow in the primary circuit. Delivery sensor not connected or defec-
tive. Check the sensor's connection and replace it, if necessary.
Calorifier sensor not connected or defective. Check the sensor's connection
and replace it, if necessary.
Check whether the 3-way valve is locked in the DHW position. Check the
connection of the calorifier's sensor and replace it, if necessary.
Resolution
Service
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