Eliminating Faults - DEMAG DRC-10 Operating Instructions Manual

11 Eliminating faults

No. Problem
Hand-held transmitter
01 cannot be switched on
with STOP key
Hand-held transmitter
02 cannot be switched on
with STOP key
Hand-held transmitter
03 cannot be switched on
with STOP key
Hand-held transmitter
04 does not respond to key
actuation
Crane does not respond
05
to key command
Crane does not respond
06
to key command
Warning during start of
07
crane operation
1) Additional symbols in the display fi eld are possible
Before eliminating faults by measures on the radio control system, check that the
crane installation is supplied with power and is ready for operation and has not
been switched off by safety devices. (Mains connection switch, crane isolating
switch, emergency-stop switch, travel and lifting path limitation devices, overload
protective device, motor protective switch, etc.)
Indicators Possible causes
Power supply of the hand-held
transmitter has failed
LED Off
Hand-held transmitter has failed
LED Off
1)
K123 ???
Standby mode
LED Off
1)
K123 ???
Battery is being charged
LED Off
1)
NOID
Assignment of crane identifi cation
is missing
LED Green, flashes
1)
K123 ???
Assigned crane receiver has no
power supply
LED Green, flashes
Re-establishing radio connection
1)
K123 ??? after:
- Malfunction in DRC-MP receiver
- Timeout of hand-held transmitter
09999
- Range limits exceeded or Auto-
- Power-Down: Short-term under-
LED Green, flashes
- After log-on of a new transmitter
power-off
voltage or voltage failure on the
receiver side.
Notes, section in this document
Check rechargeable batteries, see
section 8. Polarity of batteries?
Replace completely discharged
batteries.
Replace hand-held transmitter
Switch on with electronic key, see
section 7.2
End charging procedure, 8.2.
Switch on with electronic key, 7.2
Horn is working, assign crane
identifi cation, 6.2.3
Switch on crane; check crane
receiver acc. to operating instruc-
tions
Acknowledge warning with
STOP key. Restart with On key
7.2.1
37