14
Density
®
fogging systems don’t need special maintance, nevertheless is suggested a periodical check to the following
components by skilled operators:
1) Verify battery and power supply status.
2) Verify screws are firmly tight.
3) Verify the output nozzle is not damaged and without anyting inside.
4) Verify pneumatic circuit performing a test shot.
5) Verify once a year fluid pump.
BATTERY AND POWER SUPPLY CHECK
Verify that the output of the power supply without any load (battery unplugged) is 14,1 V on the PSU.
If a dierent value is noticed, set the trimmer on power supply.
Verify battery status (integrity check, no overheating); is suggested to replace the battery on 2 years base due to the
heavy load during shots without mains power.
SCREWS
Verify that all fixing screws are correctly setted and eventually rescrew them.
OUTPUT NOZZLE
Verify that ouput nozzle is not damaged and that there is nothing inside blocking the fog ejection flow.
YEARLY PUMP FUNCTIONALITY TEST
The test is done executing a trial shot on the unit. To avoid creating too much fog during the test is suggested to stop
the flow after a few seconds dearming the unit under test.The fog flow will immediatly stop.
15. Maintenance possible solutions
Disconnect the units from any power source, both mains power and battery must be disconnected.
Wait 5 minutes and reconnect the battery and mains power.
This procedure helps to understand if the fault condition was due to mains power overload, serious power supply
problems or problems in thermal loop.The fault condition is shown by the RED led ON (LED DL4 on the top), the output
FAULT immediately switchs and can indicate a transient or fixable condition (Eg. low battery power or no mains
power), or a problem that cannot be fixed on site.
On mains power fault or battery low conditions the unit will recover itself without any further operation on it.
In the evenience that the mains power fault has generated further problems to the unit (Eg. on board fuse) or that
the backup battery is not working anymore, the maintenance is needed.
Note: The RED led (LED DL1, middle of the board), means that unit is ON. It is NOT a fault condition.
14. Reset from fault condition
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