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31-SAFETY DEVICES AND ALARMS
Exiting the alarm conditions
Follow the procedure described below to restore normal stove operation after an alarm has been triggered:
• Cancel alarms A01, A02, A03, A05, A21 only from the panel on the stove.
• Cancel the other alarms from the App.
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 ue (“A05”)
Only alarm A21 emits an intermittent buzz as long as the alarm is active. In this situation, the automatic shut-down sequence is activated.
When this sequence is initiated, any attempt to restart the system will be ineective. 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 stove cools down suciently, clear alarm A03 on the stove panel. 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 the specic chapter of the 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 for this operation to be carried
out by an MCZ qualied technician).
The product can be switched on again only after having eliminated the cause permanently.
EXTERNAL THERMOSTAT CONNECTION
To connect the external thermostat, disconnect the room probe from the terminal in position 4 of the circuit board.
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