DEMAG DC-Com 1, Operating Instructions Manual

Page: 96 / 116

9 Malfunctions/warnings
9.1 Safety instructions for malfunctions/warnings
WARNING
Inappropriate fault elimination
Danger to life and limb. Risk of damage to the machine.
Faults may only be eliminated by qualified instructed personnel (
 "Definition of personnel", Page 10) in compli‐
ance with the safety regulations.
DANGER
Live components
Danger to life and limb.
Work on electric equipment may only be carried out by qualified specialist personnel (

"Definition of person‐
nel", Page 10) in compliance with the safety regulations.
Switch off the electric power supply before starting work. The mains connection or isolating switch must be pro‐
tected against unauthorised or accidental restoration of the power supply by means of a padlock.
WARNING
Risk of burns
Risk of burns from contact after the chain hoist has been in operation.
Do not touch hot motor housings. Allow the motor to cool down before elmininating the fault.
Conduct when malfunctions occur
1. Bring the machine to an immediate standstill by actuating the emergency stop without delay if malfunctions
occur that result in an immediate danger of personal injury, damage and/or an operating hazard.
2. Switch the chain hoist off at the mains connection switch or isolating switch and secure it against switching
on again.
3. Inform the person responsible at the location about the malfunction.
4. Have the malfunction and the cause of the malfunction identified and eliminated by authorised specialist per‐
sonnel.
Conduct after a malfunction is eliminated
WARNING
Check for correct assembly
Before reconnecting the power supply, ensure that
–
Malfunction and cause of malfunction have been eliminated.
– All safety devices have been fitted properly and are in perfect condition and working order.
– Nobody is present in the danger zone of the equipment.
9.2 7-segment display
The 7-segment display is located on the underside of the chain hoist behind a window.
Fig. 70
Warning messages start with a lightning symbol.
Movement in the opposite direction is possible, the warning message
does not need to be acknowledged using the emergency stop.
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