50
for the user
User instructions
* This applies to Hermann Remote Control optional kit only, and not to third parties chrono
thermostats.
Solution: call a
[Hermann Technical Centre] [qualified technician]
.
In these conditions, boiler can only produce domestic hot water. If necessary, ask the
technician to make the boiler provisionally work in manual heating: information for this
operation are in “Crypt Warnings for Technical experts” paragraph (refer to alarm code
E31).
Eventual problems
BURNER DOES NOT IGNITE
— Verify if green light is constantly on:
•
If green light is off boiler is not electrically connected;
•
If green light flashes boiler is off. Press
to switch it on.
— Verify if red light is constantly on. In this case boiler is blocked: please refer to ‘Boiler blocking
and alarm codes’;
— After switching boiler on by pressing
or after a reset it is necessary to wait 90 seconds.
During this period of time boiler does not work;
— If a room thermostat is installed, please check if it is regulated at a temperature higher then
room temperature and that boiler is in Winter mode (both symbols
and
must be
displayed).
LOW DOMESTIC HOT WATER PRODUCTION
— Check if domestic hot water temperature is enough high; in case increase temperature by
pressing
;
— Call a technical service centre to verify gas valve;
— Call a technical service centre to verify domestic heat exchanger.
In case of particular water hardness, a water softener must be installed.
Do not try to repair boiler by yourself.
For any problem related to electric circuit, hydraulic circuit, gas circuit, a Hermann technical
centre must be contacted.
All boilers must be equipped with original spare parts.
Hermann cannot be considered liable for eventual damages caused by improper, wrong,
irrational use of material not original.
