Service and troubleshooting
Operating instructions (Version 0)
55
ST 1075
7
7.3.14 Motor type
This setting is used to select the type of motor.
• DC = standard direct current motor with brushes (no speed controller).
• AC = low voltage (3x24V) three-phase motor and motor controller (Curtis) with
speed regulation.
For this lift the DC motor type must be selected.
7.3.15 Footguard
This function is disabled <OFF> by default.
When switching this function <ON>, the lowering function will be interrupted at a
height of about 30 cm above the floor. Pressing again on the buttons <UNLOCK>
and <LOWER>, lowering is continued with an acoustic signal.
7.4
Error messages
A red light (FAULT) will be continuously lit on the front panel when a fault occurs. The
screen provides information about the fault that has occurred.
See
7.5 "Troubleshooting" on page 58
for possible problems.
The system may also stop without an error having occurred. This is reported on the
screen; the red lamp (FAULT) is not lit.
When lowering:
The lowering motion stops and the message
<Down stop limit exceeded>
appears on the screen.
A height difference of 12 inches has arisen between the columns during lowering.
Raise the columns approximately 4 inches and remove any obstacles. The column
lifts can now be lowered further. Do not forget to press the UNLOCK button first.
Figure 7.2
Warning while lowering
WARNING 1
Down stop limit
exceeded
Содержание ST1075-FBF
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