10
4
Fault Diagnosis
NOTICE
⇒ If the SERVO-DRIVE for AVENTOS electrical motion support system does
not work, the lift systems can still be opened and closed manually – they
will not be damaged in this way.
Problem
Possible cause
Remedy
Battery display on Blum
switch flashes red.
Blum switch battery is losing
power.
⇒ Replace the battery.
SERVO-DRIVE for
AVENTOS does not
open/close completely.
The front (page 6, item 7) is not
balanced or does not lie on the
cabinet evenly.
⇒ Contact your distributor's customer service to
readjust the front.
SERVO-DRIVE for
AVENTOS does not
work for all lift systems
when pressing on the
front or using the Blum
switch. The LED on the
Blum transformer does
not light.
Switched outlet is turned off
⇒ Turn on switched outlet.
Blum transformer (page 6, item 3)
is not plugged in.
⇒ Plug in the Blum transformer to the outlet.
Power outage
⇒ Check the circuit breaker/fuse box.
⇒ If necessary, contact an qualified electrician.
Blum transformer (page 6, item 3)
is defective.
⇒ If necessary, have the distributor's customer
service replace the Blum transformer.
SERVO-DRIVE for
AVENTOS does not
work for only one lift
system when pressing
on the front or using the
Blum switch.
• Blum switch battery is dead.
• Battery was inserted incorrectly
(page 6, item 4).
⇒ Replace the battery – type CR2032.
⇒ Insert the battery correctly (see page 8).
Blum switch is defective.
⇒ Contact your distributor's customer service to
replace the Blum switch (page 6, item 4).
Drive unit is defective (page 6,
item 1).
⇒ Contact your distributor's customer service to
replace the drive unit.
Cabling is defective.
⇒ Contact your distributor's customer service to
correct the problem.
SERVO-DRIVE for
AVENTOS functions
when pressing on the
switch, but not when
pressing on the front.
Blum spacing bumper (page 6,
item 5) was removed or is defec-
tive.
⇒ Contact your distributor's customer service to
replace the Blum spacing bumper.
SERVO-DRIVE for
AVENTOS does not
close completely.
An object is between the lift system
and cabinet or jammed between
the lever and front.
⇒ Remove the obstruction.
An object juts out over the front
edge of the cabinet.
⇒ Remove the obstruction.
