Fault Codes - DeDietrich C230 ECO-A 120 Installation, Operating And Service Manual

C230 ECO-A
Code Des cription
Internal gas valve fault
25
Internal fault SU-01
* These lock-outs are not stored in the failure memory.
Table 19 Control stop codes

11.4 Fault codes

Fault
Description
code
Storage unit parameter
E:00
not found
Safety parameters not in
E:01
order
Heat exchanger
E:02
temperature sensor short
circuited
Heat exchanger
E:03
temperature sensor open
circuit
Possible cause
The boiler displays the fault codes as follows:
e:12 (the display shows the
flashes). The meaning of the fault codes can be found in the fault
table, see Table 20.
In the event of faults, proceed as follows:

Note the fault code.

The fault code is needed to find the cause of the fault quickly and
correctly and for any support from our Customer Care Department.
 Press the reset-key for 2 seconds. If the fault code continues to
appear, look for the cause in the following fault table and rectify
the fault.
If the display does not show RESET but SERVICE, the boiler must be
switched off and switched on again after 10 seconds before the fault
can be reset.
Possible cause

Bad connection

Bad connection

Bad connection

Defective sensor

Sensor not correctly
mounted

Bad connection

Defective sensor

Sensor not correctly
mounted
11 Control stops and faults
Check/solution

Replace the VPS switch if
necessary

Replace the gas valve if
necessary

Replace the gas valve if
necessary

Replace SU-01
symbol and the fault code
Check/solution

Check the cable bundle

Check the cable bundle

Check the cable bundle

Replace the sensor if necessary

Check if sensor is correctly
mounted

Check the cable bundle

Replace the sensor if necessary

Check if sensor is correctly
mounted
71