DEMAG DC-Com 5 User Manual

9.4 Warning messages
Fig. 76 SLIP LIFTING start-up: No lifting. No lift‐
ing with load.
Possible cause
Remarks
A mains phase is missing or the motor is
blocked.
Check mains connection and fuse link; check
connection cable for interruption; check mains
connector in the service enclosure.
Chain hoist overloaded or undervoltage.
Reduce load to the permissible load capacity.
Ensure appropriate mains voltage.
Tab. 72
Fig. 77 SLIP LIFTING V1: Switch-off in the upper
end position.
Possible cause
Remarks
Operating limit switch contact is no longer
actuated.
(-.) is displayed when the limit switches function
correctly. In the case of an error, the slipping
clutch acts as an emergency-stop device: Con‐
nection and functioning of the operating limit
switch contact must be inspected by an experi‐
enced technician.
Tab. 73
Fig. 78 SLIP LIFTING V2: Switch-off in the upper
end position. Fast lifting with load is switched off.
Possible cause
Remarks
Operating limit switch contact is no longer
actuated.
(-.) is displayed when the limit switches function
correctly. In the case of an error, the slipping
clutch acts as an emergency-stop device: Con‐
nection and functioning of the operating limit
switch contact must be inspected by an experi‐
enced technician.
Chain hoist overloaded. Reduce load to the permissible load capacity.
Tab. 74
Fig. 79 Internal data memory defective.
Possible cause
Remarks
Control system defective. Replace control system.
Tab. 75
Fig. 80 No speed information.
Possible cause
Remarks
Hardware monitoring faulted.
Repeat lifting process, if load does not move,
have the brake and control system checked by
an experienced technician.
Tab. 76
Fig. 81 SLIP LOWERING start-up: No lowering
Possible cause
Remarks
A mains phase is missing or the motor is
blocked.
Check mains connection and fuse link; check
connection cable for interruption; check mains
connector in the service enclosure.
Tab. 77
Fig. 82 SLIP LOWERING V1: Lowering is switch‐
ed off, lower end position is not reached. Switch-
off in the lower end position
Possible cause
Remarks
Chain blocked.
Check chain running in, replace chain, if re‐
quired.
Operating limit switch contact is no longer
actuated.
(-.) is displayed when the limit switches function
correctly. In the case of an error, the slipping
clutch acts as an emergency-stop device: Con‐
nection and functioning of the operating limit
switch contact must be inspected by an experi‐
enced technician.
Tab. 78
Fig. 83 SLIP LOWERING V2: Lowering is switch‐
ed off, lower end position is not reached. Switch-
off in the lower end position
Possible cause
Remarks
Chain blocked.
Check chain running in, replace chain, if re‐
quired.
Operating limit switch contact is no longer
actuated.
(-.) is displayed when the limit switches function
correctly. In the case of an error, the slipping
clutch acts as an emergency-stop device: Con‐
nection and functioning of the operating limit
switch contact must be inspected by an experi‐
enced technician.
Tab. 79
104
21480244/181209

DEMAG DC-Com 5 Specifications

General

Brand	DEMAG
Model	DC-Com 5
Category	Chain Hoists
Language	English