12
7  MAINTENANCE
Good preventive maintenance and regular inspection ensure 
long working life. In the table below you will nd a listo f inspections/
maintenance operations to be programmed and executed periodi-
cally.
Consult the TROUBLE-SHOOTING” table whenever anomalies are 
observed in order to nd the solution to the  problem and contact 
DEA System directly whenever the solution required is not provided.
INTERVENTION TYPE PERIODICITY
cleaning of external surfaces 6 months
checking of screw tightening 6 months
checking of release mechanism operation
6 months
greasing of articulated joint
1 year
TROUBLE-SHOOTING
Description
Possible solutions
When the opening command is given, the leaf fails to move 
and the operator’s electric motor fails to start.
The operator is not  receiving correct  power supply. Check all  connections, fuses, and  the 
power supply cable conditions and replace or repair if necessary.
When the opening command is given, the motor starts but 
the leaf fails to move.
Check that the unlocking system is closed (see Pic.8).
Make sure that the electronic device for electric power adjustment is in good condition.
If the piston remains at the complete end of its stroke when the gate is closed, review the 
assembly procedure.
The operator jerks during movement.
If the leaf does not move freely, release the ram and readjust the rotation points.
The power of the gear motor may be insufcient for the characteristics of the gate’s wing; 
check the choice of model whenever required.
The operator’s front and rear attachments bend or are not fastened correctly. Repair or re-
place.
8  PRODUCT DISPOSAL
MAC/STING consists of materials of various types, some of which can be recycled (electrical cables, plastic, aluminum, etc. ..) while 
others must be disposed of (electronic boards and components).
Proceed as follows:
1.  Disconnect the power supply;
2.  Disconnect and disassemble all the accessories connected. Follow the instructions in reverse to that described in the section “Installa-
tion”;
3.  Remove the electronic components;
4.  Sorting and disposing of the materials exactly as per the regulations in the country of sale.
WARNING  In line with EU Directive 2012/19/EU for waste electrical and electronic equipment (WEEE), this electrical product must 
not be disposed of as unsorted municipal waste. Please dispose of this product by returning it to your local municipal collection 
point for recycling.