DE DIETRICH Thermostat modulant d’ambiance - Manual (Page 73)

73
EN
Thermostat batteries flat
Fault indication
c and v are lite up.
Display text -
Solution The batteries are almost empty. Replace the three AA batteries.
7.2 Service message
Boiler service required
Fault indication
? is lite up
Display text Maintenance service type (A, B or C) required. Contact your installer.
Telephone number:
Solution Contact your installer to have the central heating boiler serviced.