WDT DUFTDOS-0-Compact, Operating Instructions Manual

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Fragrances dosing, type DUFTDOS-0-Compact
Index: 01 Change date: 01/12/2017 Operating instructions no.: BA DW 017-01 Duftdos-0-Compact EN 17630.docx Page 16 of 21
7.1.3 Check function of the pump
Realise the power-supply of the installation. 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.
7.1.4 Fault removal
CAUTION !
Fragrance concentrates can be harmful for the health!
In case of works on the suction or dosing pipe, wear protection gloves or protection
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 
Control board defective

Send in the device (do not open the
housing)
Dosing pump without function 
Pump motor defective

Check / exchange the pump motor
No fragrance dosing 
Container with fragrance con-
tainer 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 concen-
trate on transparency and cleanliness.
Exchange dirty concentrate