Fault Elimination - DEMAG DRC-MJ D3 User Manual

10 Fault elimination

No. Problem
DRC-MJ hand-held
transmitter cannot be
01
switched on with the
STOP button
DRC-MJ hand-held
transmitter cannot be
02
switched on with the
STOP button
DRC-MJ hand-held
transmitter cannot be
03
switched on with the
STOP button
DRC-MJ hand-held
transmitter does not
04
respond when button is
pressed
05 Crane does not respond
to button command
06 Crane does not respond
to button command
07 Warning during start of
crane operation
1) Additional symbols may also be shown in the display fi eld
52
Before taking any fault elimination measures on the radio control system, first
check that the crane installation is supplied with power and is ready for operation
and has not been switched off by any safety devices (mains connection switch,
crane isolating switch, emergency-stop switch, travel and lifting path limitation
devices, overload protection device, motor circuit-breakers, etc.).
Screens Possible causes
Power supply of the DRC-MJ
hand-held transmitter has failed
LED off
DRC-MJ hand-held transmitter
has failed
LED off
K564
???
1)
Standby mode
LED off
??? 1)
K123
Battery is being charged
LED flashing
NOID
1)
Assignment of crane ID is missing Horn is working; assign crane ID,
LED green, flashing
??? 1)
K123
Assigned radio receiver has no
power supply
LED green, flashing
1) Re-establishing radio connection
???
K123
after:
- Malfunction in DRC-MP receiver
- Timeout of hand-held transmitter
09999
- Range limits exceeded or Auto-
power-off
- Power down: temporary under-
voltage or voltage failure on the
LED green, flashing
receiver side.
- After log-on of a new transmitter
Information, document section
Check batteries, see 6.3.
Polarity of batteries? Replace
completely discharged batteries.
Replace DRC-MJ hand-held
transmitter
Switch on with electronic key, see
8.4
Stop charging process, 6.3.2.
Switch on with electronic key, 8.4
7.6.3
Switch crane on; check radio
receiver acc. to user manual/
assembly instructions
Press button to acknowledge
warning.