DE DIETRICH TWINEO EGC 25 - Manual (Page 23)

6 Troubleshooting
6.1 Error messages (Sub-status 9)
To display the current error code, proceed as follows:
1. Press the two f keys simultaneously. The symbol Q flashes.
2. Confirm using key S. 5t is displayed, alternating with the
current status 3 (for example).
3. Press the [+] key. The display shows 5v and the current error
value (30, for example) alternately.
Code Description Checking / solution
Su:00 The PSU PCB is incorrectly configured Parameter error on the PSU PCB
4
Contact the professional who takes care of maintenance of the
appliance
Su:01 Maximum flow temperature exceeded The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
Su:02 The increase in flow temperature has
exceeded its maximum limit
The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
4 Check the water pressure
Sensor error
4
Contact the professional who takes care of maintenance of the
appliance
Su:07 Maximum difference between the flow
and return temperature exceeded
The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
4 Check the water pressure
Sensor error
4
Contact the professional who takes care of maintenance of the
appliance
Su:08 The RL inlet on the PCU PCB terminal
block is open
Parameter error
4
Contact the professional who takes care of maintenance of the
appliance
Bad connection
4
Contact the professional who takes care of maintenance of the
appliance
Su:09 Live/neutral inversion Parameter error
4
Contact the professional who takes care of maintenance of the
appliance
M002722-A
EGC 25 6. Troubleshooting
03/12/2013 - 300026082-001-02 22