DE DIETRICH KALIKO TWH 200E - TWH 300E - TWH 300EH - Manual (Page 63)

8.1.2. Messages (type code EXX)
1. The display shows :
- The symbol (!)
- The symbol V
- The fault code (for example E02).
2. After correcting the failure, press the V key for 2 seconds. If
the error code continues to display, search for the cause in the
error table and apply the solution.
Code no. Description Checking / solution
E00 The parameter storage unit on the PCU
electronic board is defective
Replace the PCU PCB
E01 The middle DHW temperature sensor is short
circuited
Note: DHW production is not covered
Bad connection
4
Check whether the sensor is connected
4 Check the link and the connectors
4 Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
E02 The middle DHW temperature sensor is open
Note: DHW production is not covered
Bad connection
4
Check whether the sensor is connected
4
Check the link and the connectors
4
Check that the sensor has been correctly fitted
Sensor fault
4 Check the Ohmic value of the sensor
4
Replace the sensor if necessary
E04 The room temperature sensor is short circuited
Note: DHW production is handled by back-up if
back-up enabled
Bad connection
4 Check whether the sensor is connected
4
Check the link and the connectors
4
Check that the sensor has been correctly fitted
Sensor fault
4 Check the Ohmic value of the sensor
4 Replace the sensor if necessary
E05 The room temperature sensor is open
Note: DHW production is handled by back-up if
back-up enabled
Bad connection
4 Check whether the sensor is connected
4 Check the link and the connectors
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
C003212-B
2"
1 4
3 4
1 2
MENU MODE
TWH 200E TWH 300E TWH 300EH 8. Troubleshooting
03/02/2014 - 300026515-001-03 61