MCZ Duo HYDRO AIR - Manual (Page 49)

49
17-FAULTS/CAUSES/SOLUTIONS
Technical Dept. - All rights reserved - Reproduction is prohibited
ANOMALIES RELATED TO THE HYDRAULIC CIRCUIT
ANOMALY POSSIBLE CAUSES SOLUTIONS
No increase in temperature with stove in
operation
Incorrect combustion adjustment Check recipe
Boiler / system dirty. Check and clean the boiler
Insufficient stove power Check that the stove is properly sized for the
requirements of the system
Poor pellet quality Use pellets from the producer
Condensation in boiler Incorrect boiler or pump temperature
setting
Set the stove or the pump to a higher
temperature
Insufficient fuel consumption Check recipe
Radiators cold in winter Room thermostat (local or remote) set
too low. If remote thermostat, check if it
is defective.
Set to higher temperature or replace. (if
remote)
Circulator does not run because it is
blocked
Free up the circulator by removing
the plug and turning the shaft with a
screwdriver
Circulator does not run Check the electrical connections of the
circulator; replace if necessary
Radiators have air in them Vent the radiators
Hot water is not provided Circulator (pump) blocked Free the circulator (pump)
If the stove is NOT used as described in this instruction booklet, the manufacturer refuses to accept any responsibility
for damage to persons and property that may arise. The manufacturer furthermore refuses to accept responsibility
for damage to persons and property arising from the failure to observe all the rules contained in the manual and
in particular:
• The operations in italics must be carried out by specialised personnel from the manufacturer
• All the necessary measures and/or precautions must be adopted when performing maintenance, cleaning and
repairs.
• Do not tamper with the safety devices.
• Do not remove the safety devices.
• Connect the stove to an efficient smoke extraction system.
• First, check that the environment where it is to be installed is properly ventilated.