22
The boiler has two types of safety blockings:
18
BOILER SECURITY SYSTEMS
18.2
Safety lock due to boiler temperature
-
17
Fault Finding
In this section we list common faults and solutions
18.1
Safety lock for DHW tank temperature
18.3
Failure due to lack of system pressure
NOTE: If any of the faults are repetitive, please call your installer .
-
Air in the heating circuit of the boiler
-
The tank is empty
Fill the tank
-
The pump does not turn
Unblock the pump
-
The pump does not turn
Unblock the pump
RADIATORS
DO NOT
HEAT UP
DHW IS NOT
WORKING
-
Heating elements defective
Change elements
FAULT
CAUSE
REPAIR
HDCS / HDCSM
Purge the installation and
the boiler (The plug of the
automatic air eliminator
must always remain loose.)
It activates when the tank exceeds 80ºC. To unlock, it is necessary to press the button
installed on the safety thermostat after removing the cap that covers this button
It activates when the heating tank exceeds 110ºC. To unlock, it is it is necessary to press the button
installed on the safety thermostat after removing the cap that covers this button.
This failure occurs when the water pressure drops below 0.6 bar. To reset the boiler, fill the system until
the pressure gauge (9) indicates a pressure of 1 to 1.5 bar.
Change Heating Elements
Heating elements defective
Summary of Contents for HDCS 10/15
Page 26: ...HDCS HDCSM 24 NOTES ...
