6.5.4
Automatic emergency evacuation
The automatic emergency evacuation is described in the operation instructions of the control, the
frequency inverter and, if available, an evacuation unit with UPS.
7 Faults and remedy
Excessive temperature / Temperature protection trips
Fault
Causes
Adjustment
Noises on elevator
machine
Bearing defective
Contact customer service
Wrong setting at the frequency inverter
Check setting at the frequency inverter
Absolute encoder defective
Change absolute encoder
Excessive tempera-
ture / Temperature
protection trips
Surface of the elevator machine is covered Remove cover from drive or mount with
more distance to the elevator machine.
Ambient temperature higher than 40
°
C
Enhance shaft ventilation
Wrong setting at the frequency inverter
Check setting at the frequency inverter
Elevator machine
does not start
Motor phases connected incorrect
Check motor connection
VVVF defective
Check VVVF
Brake does not release
See brake faults
Elevator machine
does not turn when
the brake is released
Brake rotor sticks after a long storage time
on the armature disk
Release the brake mechanicaly or remove it
and loosen the brake rotor carefully from the
armature plate.
Brake switching
noises
Brake is switched on the DC-side
Modify the control to AC switching for nor-
mal operation. Fit an additional protective
circuit.
Air gap of brake too big
Replace the brake rotors (Special tool re-
quired! Contact the customer service of
ZIEHL-ABEGG SE).
Brake does not re-
lease
Power supply too low. The voltage at the
brake is to low.
Check supply, if necessary increase cable
cross-section (and transformer)
Brake control wrong / defective
Check brake control
Brake coil defective
Replace brake (special tool required.
ZIEHL-ABEGG SE Contact customer serv-
ice).
Brake worn out
Replace the brake rotors (Special tool re-
quired! Contact the customer service of
ZIEHL-ABEGG SE).
Brake release moni-
toring does not
switch
Microswitch/inductive proximity switch de-
fective
Replace microswitch/inductive proximity
switch
Contacts dirty
Operate microswitch/inductive proximity
switch with a higher contact current, at least
10 mA or replace microswitch/inductive
proximity switch or brake
Table 7
8 Service and maintenance
8.1
General notes on maintenance
"
Observe the safety-at-work regulations!
"
Disassembling the elevator machine can only be done with special devices!
Caution, strong magnetic force!
"
Never use a high-pressure cleaner (for example steam jet cleaner) for cleaning the elevator
machine!
"
Take note of abnormal operating noise.
Original operating instructions
ZAtop
–
model series SM180
Faults and remedy
A-TBA17_05-GB 2008 Index 003Part.-No. 01015765-GB (EU-BD 845/1 + 845/2)
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