DE DIETRICH C 230 Eco - Manual (Page 13)

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