WDT DUFTDOS-0-T, Руководство по эксплуатации

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Fragrances dosing, type DUFTDOS 0-T
Index: 02 Change date: 01/07/2020 Operating instructions no.: BA DW 016-02 Duftdos-0-T EN 16621-17551.docx Page 17 of 24
7.1.3 Check function of the pump
Press the test button. The lock washer must rotate.
Check suction function of the pump
1.
Draw the suction hose of the pump out of the container.
2. The pump must suck air, forming an air bubble in the dosing pipe.
If no air is sucked, the suction function is defect.
3. Afterwards deaerate the dosing pipe. See Section 5 Commissioning.
Fault removal
CAUTION !
Fragrance concentrates can be harmful for the health!
In case of works on the suction or dosing pipe, wear protective gloves and protective
glasses.
Fault table
Fault Possible cause Actions
The device does not connect 
Power supply interrupted

Steam generator disconnected (if
coupled with steam generator)

Check the power supply

Connect steam generator
Device without function 
Circuit board defect

Send in the circuit board
Dosing pump without function 
Pump motor defective

Check / exchange the pump motor
No fragrance dosing 
Container with fragrance
container empty

Air in the dosing pipe

Fragrance pump defective

Hose of the dosing pump defect

Roller carriers worn out

Dosing valve blocked

Fragrance concentrate dirty

Refill container

Deaerate dosing pipe

Check / exchange the pump

Exchange the hose

Exchange the roller carrier

Check / clean / exchange dosing valve

Visual check of the fragrance
concentrate on transparency and
cleanliness. Exchange dirty concentrate