Numatic GDE 371 Owner's Instructions Manual page 15

This machine can be used for dry pick up, wet pick up and cleaning carpet and upholstery.
Spray extraction machines only
• Use only approved cleaning preparations.
• Use defoamer if necessary.
Use of detergents
When using any detergent with this machine, please ensure you have read the safety data on the container and
you are familiar with the procedures to clear up spills, inhalation, skin and eye contact.
Dry Mode maintenance/fault finding
If the vacuum cleaner stops working switch off and remove the plug from the wall before investigating were the
fault lies.
If the vacuum cleaner will not pick up any debris from the surface, switch off and remove the plug from the wall,
inspect the floor tool, wands and hose for blockages, if no blockages are found, the dust bag may be full if the
dust bag is not full the filter may be blocked.
Wet mode / Spray extraction maintenance/fault finding
If the vacuum cleaner stops working switch off and remove the plug from the wall before investigating were the
fault lies.
If the vacuum cleaner has a blockage and will not pick up liquid, switch off and remove the plug from the wall,
has the float valve operated, this will shut off the suction and the pitch of the vacuum motor will change Remove
the power head and empty the liquid out of the container, if the container is empty, check that the floor tool
wands and hose are not blocked.
If the spray nozzle is blocked a pin maybe used to clear the blockage.
No spray from nozzle and the pump tone changes, the solution tank is empty, refill the solution tank.
Flush the system with clean water after use.
After use always inspect the machine for damage.
Fault Finding - Dry - Wet - Spray Extraction
Schematic Diagram WD - 0238