DEVI devireg 550 - Error Messages; Troubleshooting Error Codes

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Error messages
Error messages
Devireg™ 550 has a built-in system that constant-
ly checks the heating system, the thermostat it-
self and a possible network for any malfunctions.
If an error occurs, the display will ash together
with a code for the detected fault, which will be
shown as a number from 1 to 7.
No Error What to do?
2
Congured as Master, but another
Master unit detected.
Call an electrician (Only one unit may be congured
as a Master).
3
Congured as a Slave, but cannot nd
any Master unit.
Call an electrician (One unit must be congured as
Master).
4
e thermostat is switched o because
of overheating.
Call an electrician (Let the thermostat cool for a pe-
riod. en enter basic set-up to leave error mode).
5
Sensor fault. Floor sensor short-circuit. Call an electrician (Floor sensor must be changed).
6
Sensor fault. Floor sensor open circuit. Call an electrician (Floor sensor must be changed).
7
Clock is not set. Set the clock.
A fault on the oor sensor/sensor cable or
thermostat overheating will result in the heating
being switched o.