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