Schwing SP 1800-D, Original Operating Instructions

Page: 187 / 390

3.39-1
005.149.04-EN
3.39 Troubleshooting/emergency operation
3.39.1 Control failure
If a functional failure occurs, first check whether
- An EMERGENCY STOP button has been
actuated.
- The grid assembly in the filling hopper is
raised.
- A fuse has been triggered.
- * The magnets of the competent control
valves are supplied with voltage.
* INFORMATION
The plugs of the control valve magnets are
equipped with light-emitting diodes for
troubleshooting, which must light up when
voltage is present.
3.39.2 Electrical fuse protection for the
machine control system
Depending on the type of machine, the system
can be secured in several places:
- A main safety fuse located near the starter.
- Safety fuses in the switch cabinet or
operator station of the concrete pump
(Fig. 1).
Also see electric circuit diagram.
Check fuses:
- Switch off the motor and remove the
ignition key.
- Open the top cover of the control station
using the special key.
Commercially available vehicle fuses are used.
Only insert newly equivalent fuses.
ATTENTION
Material damage caused by overrated
fuses!
The electrical system is destroyed due to
overrated and overridden fuses
- Close the cover of the control station and
begin operating the machine.
If the error occurs again:
- Stop the machine and
- have an electrician inspect the system.
Fig. 1