DE DIETRICH C 230 Eco - Manual (Page 16)

16
C 230 ECO 20/02/09 - 300015144-001-C
TA-S FAILURE Internal problem.
- Switch off the current.
- Contact the professional responsible for maintenance of
the boiler.
PSU FAIL 0 PSU not connected or faulty
- Reset the box
- Check the link and the connectors
- PSU: Replace if necessary
PSU PARAM FAIL 1 Safety parameter errors
- Reset the box
- Check the link and the connectors
- PSU: Replace if necessary
STB EXCHANGE 5 Exchanger temperature too high
- Reset the box
- Check that the installation and boiler are adequately
filled with water and correctly irrigated and bled
- Check: Heat exchanger fouled
STB BACK 9 Return temperature too high
- Reset the box
- Check that the installation and boiler are adequately
filled with water and correctly irrigated and bled
- Check: Heat exchanger fouled
EXCH-BACK 10
- The temperature difference between the
exchanger sensor and the boiler flow
sensor is too little
- Sensor defective
- No flow rate or flow rate too low
- Sensor installed incorrectly
- Reset the box
- Check that the installation and boiler are adequately
filled with water and correctly irrigated and bled
Check:
- Heat exchanger fouled
- Sensor installed correctly
- Level differences on the temperature sensors
EXCH-BACK>MAX 11
- The temperature difference between the
exchanger sensor and the boiler flow
sensor is too great
- Sensor defective
- No flow rate or flow rate too low
- Sensor installed incorrectly
- Reset the box
- Check that the installation and boiler are adequately
filled with water and correctly irrigated and bled
Check:
- Heat exchanger fouled
- Sensor installed correctly
- Level differences on the temperature sensors
SMOKE.P.FAIL 12
- The flue gas pressure switch is open
- Bad connection
- The pressure in the combusted gases
evacuation duct is too high
- Reset the box
- Check the wiring
- Ensure that the siphon is not empty. Top up with more
water if necessary
- It is possible that the combustion products evacuation
pipe is totally or partially obstructed
- Check: Open flue damper
Faults Code no. Probable causes Action