Fault displayed
Possible cause
Remedy
LED blinks red (after
inserting fresh
batteries)
Batteries not correctly
inserted/skewed
Check batteries for proper
position, check polarity
precautionarily
Dispenser does not
deliver
1. Supply bottle empty
2. Pump tube kinked (e.g.
underneath
the pump
head)
3. Pump tube stuck to side of
bottle (when bottle is
nearly empty)
4. Wrong (high viscosity)
medium
1. Insert new bottle
2. Check tube and eliminate
kink, if necessary
3. Check tube and position
tube in middle of bottle,
change bottle, if
necessary
4. Check medium for
suitability before use
Dispenser delivers too
small a quantity
1. High viscosity medium
used
2. Dispenser is set to dose
level 1 = approx. 1.6 ml
1. Set to a higher dose level
2. Set to dose level 2 =
approx. 3.2 ml
Pump is labouring
1. Pump has been in use for
more than 6 months
2. High viscosity medium
used
1. Change pump (preferably
every 3 to 4 months)
2. Check medium for
suitability before use
Sensor does not work
even if a hand is held
under it
1. Trigger distance is too big
2. Trigger distance has
become maladjusted
3. Sensor electronics defect
1. Bring hand closer to
dispensing tip
2. Re-adjust distance
(instructions available
upon request)
3. Contact seller to discuss
further steps to be taken
Bottle “wobbles” in the
dispenser or falls off
when opening the
dispenser
Bottle fastener not secured;
or (for 1,000 ml dispenser)
additionally: variable
fastener for bottle neck not
centred
Push bottle fastener
upwards (towards the base
of the bottle) until the
bottle sits firmly, or (for
1,000 ml dispenser): centre
the fastener precisely over
the neck of the bottle
Dispenser cannot be
closed properly
Key is still inserted in lock
Lift/remove key, close front
cover properly
Description and elimination of faults Page 25
