18
15-ALARMS
A13
Electronic control unit overheating The structure is too hot because the product has been
used for too long at the maximum power or there is
poor ventilation. When the stove is suciently cold,
press button B on the control panel or OFF on the remote
control to cancel alarm A13. Once the alarm is cancelled,
the product can be switched on normally.
A14
Faulty air ow rate sensor This alarm does not block the stove, just a warning is
displayed. Contact an authorised service centre to have
the component replaced.
SER
Routine maintenance warning after 2000
hours of operation
When this ashing message appears upon start-up
it indicates that the preset operating hours before
maintenance is due have elapsed and that an MCZ
qualied technician must be contacted for maintenance.
Exiting the alarm conditions
Follow the procedure described below to restore normal stove operation after an alarm has been triggered:
• Put selector D on the rear emergency panel on OFF for a few seconds, until the 3 digit alarm identity code disappears. The red LED
stops ashing and the sound signal is silenced by performing the steps below.
• Put selector D back in the REMOTE position, to control the operation of the stove via the remote control.
• Switch o the remote control and switch it on again if one wants to restart the stove.
Mechanical stove block
The following conditions may cause the mechanical stove block:
• Structure overheating (“A03”)
• Smoke overheating (“A04”)
• During stove operation air has entered the combustion chamber or there is an obstruction
in the chimney ue (“A05”)
The block is signalled on the display and with a sound signal. In this situation the shutdown stage is activated automatically.When this
procedure is started, any test operation to restore the system is useless. The display signals the cause of the blockage.
SOLUTIONS:
If “A03” appears: the structure is too hot because the product has been used for too long at the maximum power or there is poor ventilation.
When the product is suciently cold, press button B on the control panel or OFF on the remote control to cancel alarm A03. Once the
alarm is cancelled, the product can be switched on normally.
If “A04” appears: The stove switches o automatically. Let the stove cool down for a few minutes and then switch it on again. Check the
smoke expulsion and verify the type of pellet used according to the instructions found in Chap. 2 of this manual.
If “A05” appears: the door has been left open for too long or a signicant amount of air has entered (e.g. missing smoke fan inspection
cap). If these causes are excluded, check and if necessary clean the smoke duct and ue. (it is recommended that this operation is carried
out by an MCZ qualied technician.
The product can be switched on again only after having eliminated the cause permanently.
