Faults are automatically released once the problem related to the fault is resolved (sensor replaced…).
*Only the "Filter" fault requires manual release - to do so:
- replace or clean the filter
- In the Diagnostic menu, access d19 "Filter maintenance time meter"
- Set this meter to 0 by pressing and holding the
button for 5 seconds.
- Go back out of the diagnostic menu
- The alarm is released.
Alarm code
Diagnostic
Solutions
E07
Replace filter
The triggering time for this alarm can be set under P93
It is released in D19 by setting this meter to O*
E08
Supply air sensor fault or absent (P78=2)
Check the sensor, its wiring at S1 and the corresponding parameter
E09
return sensor fault (P24=0)
Check the sensor, its wiring at S1
E10
indoor environment sensor fault (P24=1)
Check the condition and wiring of the room terminal
E11
Centralised changeover via KNX not received
Check the bus wiring, its supply, the KNX links with the Building Management System
supplier
E12
fresh air frost protection alarm (supply air safety
device)
Check the hot water temperature, the hot valve
E13
fresh air frost protection alarm (safety thermostat)
Check the hot water temperature, the hot valve, the condition of the antifreeze thermostat
E14
condensation alarm
The terminal unit is in anti-condensation operating sequence following the appearance of
condensates on the cooling coil. This alarm is present as long as there is condensation
present on the cooling coil. Check the water temperature
E15
Slave cut off from master
No dialogue between a master and a slave.
Check the bus (connections, supply)
Check the Master controller supply
E16
condensate drain pump alarm
Check the condensate pump
E17
general alarm
Check the condition of the contacts on D1-C and D2-C
E18
Fan unit alarm
Check the condition of the fan unit
Check the condition of the contacts on D1-C and D2-C
E19
active temperature sensor fault
the 2 possible control sensors are faulty
Check the condition and wiring of the temperature sensors wired to the controller
Check the condition and wiring of the wall-mounted room terminal
E20
condensation sensor S3 fault
Check the condition and wiring of the anti-condensation sensor at S3-C
E21
Master or Slave not configured
Appears when configuring Master/Slave using push button until the master or slave is
configured
E22
no other Push button product selected on the bus
Configure all products that need to be interlinked to create a Master/slave cluster
E23
impossible to connect to selected push button product
Check that the products in push button configuration are mutually compatible
Check the bus, its supply, its wiring and the master/slave parameter (P00) on each product
to be configured
--
No Alarm
With:
E00: alarm does not switch off the terminal unit. (E07 to E15)
E00:
alarm locks the terminal unit off. (E16 to E23)
EN
EN - 9
EN7515935-00
