Messages - Faults; Messages - DeDietrich C 230 ECO User Manual

6.2 Messages - Faults

Messages

6.2.1
Code
Message
no.
SHOW REM. CTRL
REVISION
BL.PSU ERROR
0
BL.MAX BOILER
1
BL.MAX EXCHAN
3
BL.DERIVE EXCH
4
BL.DT EXC.BACK
5
BL.DT BOI.EXC.
6
BL.RL OPEN
8
BL.INV. L/N
9
BL.CS OPEN
11
BL.COM PCU-M3
13
BL.GAS PRESS
15
BL.BAD SU
16
BL.PCU ERROR
17
20/02/09 - 300015144-001-C
Probable causes
The message SHOW REM.CTRL indicates
the presence of an override on a remote
control
Boiler service required
Error parameters
Boiler temperature > 110 °C
Heat exchanger temperature > 95 °C
The speed at which the exchanger
temperature is rising is too high
The temperature difference between the
exchanger sensor and the return sensor is
too great (35 K)
The temperature difference between the
boiler sensor and the exchanger sensor is
too great
The RL inlet on the PCU is open
- Phase and neutral inverted
- Mains electricity with floating or two-phase
neutral
The contact inlet CS is open
Communication breakdown between PCU
and DIEMATIC-m3
Gas pressure too low
The SU is not compatible with the PCU
Error parameters
To cancel the overrides on all remote controls, press the
AUTO key for 5 seconds
Contact the professional responsible for maintenance of the
boiler
- Switch the boiler off and switch back on
- Set the boiler type parameter (See #CONFIGURATION)
Wait 10 minutes for the temperature to come down
- Wait 10 minutes for the temperature to come down
- Check the water flow
- Check that the installation and boiler are adequately filled
with water and correctly irrigated and bled
- Check: Heat exchanger fouled
- Wait 10 minutes for the temperature to come down
- Check the water flow
- Check that the installation and boiler are adequately filled
with water and correctly irrigated and bled
- Check: Heat exchanger fouled
- Wait 10 minutes for the temperature to come down
- Check the water flow
- Check that the installation and boiler are adequately filled
with water and correctly irrigated and bled
- Check: Heat exchanger fouled
- Wait 10 minutes for the temperature to come down
- Check the water flow
- Check that the installation and boiler are adequately filled
with water and correctly irrigated and bled
- Check: Heat exchanger fouled
- Switch the boiler off and switch back on
- Set the boiler type parameter (See #CONFIGURATION)
- Respect the rating plate on the connection terminal block
- Set the boiler type parameter (See #CONFIGURATION)
Check the cause of the open contact CS
Check the link and the connectors
Check:
- Opening the gas valve on the boiler
- Gas supply pressure
- Correct installation of the pressure switch (Replace if
necessary)
- Switch the boiler off and switch back on
- SU: Change them
- Switch the boiler off and switch back on
- PCU: Change them
C 230 ECO
Action
13