DEMAG DRC-10, Operating Instructions Manual

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107
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.)
11 Eliminating faults
No. Problem Indicators Possible causes Notes, section in this document
01
Hand-held transmitter
cannot be switched on
with STOP key
Power supply of the hand-held
transmitter has failed
Check rechargeable batteries, see
section 8. Polarity of batteries?
Replace completely discharged
batteries.
02
Hand-held transmitter
cannot be switched on
with STOP key
Hand-held transmitter has failed Replace hand-held transmitter
03
Hand-held transmitter
cannot be switched on
with STOP key
Standby mode
Switch on with electronic key, see
section 7.2
04
Hand-held transmitter
does not respond to key
actuation
Battery is being charged
End charging procedure, 8.2.
Switch on with electronic key, 7.2
05 Crane does not respond
to key command
Assignment of crane identi fi cation
is missing
Horn is working, assign crane
identi fi cation, 6.2.3
06 Crane does not respond
to key command
Assigned crane receiver has no
power supply
Switch on crane; check crane
receiver acc. to operating instruc-
tions
07 Warning during start of
crane operation
Re-establishing radio connection
after:
- Malfunction in DRC-MP receiver
- Timeout of hand-held transmitter
- Range limits exceeded or Auto-
power-off
- Power-Down: Short-term under-
voltage or voltage failure on the
receiver side.
- After log-on of a new transmitter
Acknowledge warning with
STOP key. Restart with On key
7.2.1
1) Additional symbols in the display fi eld are possible
K123 ???
K123 ???
NOID
K123 ???
K123
09999
???
LED Off
LED Off
LED Off
LED Off
LED Green, flashes
LED Green, flashes
LED Green, flashes
1)
1)
1)
1)
1)