7
Malfunction
Cause
Remedy/action
Drive unit does not work
Program switch
switch to position 1
Mains switch (installed by
switch on
customers) switched off
Power plug pulled out
plug in
customer's fuse defective
replace
fire detectors have been
actuate the reset
triggered
key-button
Buzzer sounds
functional/fatal
contact the after-
error
sales service
TROUBLESHOOTING