What To Do If; Technical Data - Becker S20 MLS Montage- Und Betriebsanleitung

Assembly and Operating Instructions
Caution
Fault elimination must only be carried out by a qualified electrician.
Fault
No reaction when
buttons, LED does not light up
No reaction when
buttons, LED lights up
Type
Mains connection
Nominal motor rating
Control voltage
Control power
Housing dimensions
Weight
Degree of protection
Ambient temparature range
On-site fuse protection
22

What to do if ...?

Possible cause and rectification
pressing • Check supply voltage (terminals L3/L2/L1/N
(MAINS)).
• Check the drive's safety circuit (crank (chain),
drive temperature, safety limit switch (S1F/
S2F, yellow cam)).
• Check terminals 2/4 (STOP), 10/11 (LS/LB),
pressing
and 12/13 (slack rope). If these terminals are
not occupied, they must be bridged.
• Check the EMERGENCY STOP button (circuit)
(terminals NA/ES (EMERGENCY STOP)).

Technical data

S20 MLS
3N~ 400 V 50/60 Hz
Max. 1,8 kW
24 V DC
Max. 125 mA
155 x 130 x 50 mm (W x H x D)
Approx. 0.5 kg (without connecting cable)
IP54
0°C.....+50°C
3 x 10 A