B
C
l u e t o o t h
o n t r o l
Blue/yellow LED on
receiver
LED lit continuously.
LED flashes 1x per sec.
Colour blue
Colour yellow
LED green on receiver
LED lit continuously.
LED flashes 1x per sec.
LED flashes 2x per sec.
LED flashes 4x, quickly per sec.
LEDs do not light after switch-
ing on.
The servo does not run.
The servo swings out to the
left and right uncontrolled.
Transmitter and receiver
cannot be paired.
Several motors connected to
the receiver turn simultaneous-
ly even though the joystick is
only deflected in one direction.
24
S
o
e t
p e r a t i n g m a n u a l
Description
Power supply OK The receiver is not paired with a transmitter
The receiver is not paired with a transmitter
Receiver is operated as "Receiver 1"
Receiver is operated as "Receiver 2"
Description
Receiver is in standard mode
Caterpillar control is activated (see Chapter 6)
The rechargeable battery pack is almost empty or the power supply
is too low.
Short circuit in the wires or a motor is overloaded or blocked. The
motor outputs are automatically switched off.
Power supply not OK, poles reversed in power supply. The receiver
is faulty (contact fischertechnik Service).
Servo plug is plugged incorrectly in the connection on the receiver.
See Fig. 5 on page 2.
Battery voltage too low. Use a new battery or charge the recharge-
able battery pack.
Possibly there is still an existing connection in the transmitter or
receiver. First delete all pairing both on the transmitter and on the
receiver: One after another activate the pairing mode using the
"Select" button and leave again by pressing the button again.
Afterwards try to pair again (Chapter 2).-
Green LED on receiver flashes slowly (approx. 1x per sec.). Cater-
pillar control is activated. Briefly push the "Select" button on the
receiver. Green LED lights continuously, normal mode is active.