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SET-UP PROCEDURE
After wiring up the speed-control, it is ready to operate. No setup is required. The speed-control
„learns" the neutral, full-speed forward and full-speed reverse points while the car is running.
Please note: Before you plug in the drive battery, set the transmitter to neutral position and then
start the model in the forward direction.
SWITCH ON THE TRANSMITTER
CONNECT THE SPEED-CONTROL TO THE BATTERY
AND... GO!
• If you have made a mistake so far, don't worry: Unplug the battery for about 10 seconds and
start over again.
• After the run, first unplug the battery and then switch off the transmitter. When you start
again, first switch on the transmitter and then plug in the battery.
SPECIAL FEATURES
AUTOMATIC SETUP
Due to the LRP exclusive A.I. Automatic Technology, there is no need for a manual setup of the
speed-control by pushbuttons or potentiometers. All you need to do is simply plug in the speed-
control and you're ready to go. The speed-control "learns" the neutral, full-speed forward and
full-speed reverse point of the radio system while the car is running. This way, the speed-control
has the optimized setup for every run - automaticly. Incorrect or unperfect setups are a thing of
the past with the LRP A.I.Runner/Runner-Plus (or A.I.Micro) Reverse speed-controls.
FAIL-SAFE SYSTEM
What is Fail Safe ?
Digital protection against radio interference, "The guardian angel". The safety electronic can
detect reception of a "false" or incomplete radio signal, e.g due to a low transmitter battery or
environmental radio interference which reach the model, or if the model is out of the transmitter
range. For protection against damage, the speed-control switches to the neutral position, and
the model comes to a stop.
LRP's tip: The model will remain in a standstill, even if you connect the drive battery to the
speed-control first and then switch on the transmitter! Provides perfect protection against mis-
takes commonly made by beginners.
REVERSE OPERATION
No reverse time limit!
The LRP A.I.Runner/Runner-Plus (or A.I.Micro) Reverse speed-controls have no reverse time
limit.
MULTI-PROTECTION SYSTEM, 3-way Protection
This unique monitoring software is the perfect protection for the LRP A.I.Runner/Runner-Plus (or
A.I.Micro) Reverse speed-controls against short-circuits (motor), overload and overheating. If
your speed-control is ever faced with overload, the motor function is switched off for protection,
although the steering function is maintained.
Wait a few minutes to allow the speed-control to cool down.
If the speed-control switches off frequently, either the motor used is too strong, the motor pinion
is too big or you are using full brake too often. You can improve this if you make additional cooling
slots in the body.
REPAIR PROCEDURES / LIMITED WARRANTY
All products from LRP electronic (hereinafter called "LRP") are manufactured according to the
highest quality standards. LRP guarantees this product to be free from defects in materials
or workmanship for 90 days from the original date of purchase verified by sales receipt. This
limited warranty doesn't cover defects, which are a result of normal wear, misuse or improper
maintenance. This applies among other things on:
• Cut off original power plug or not using reverse polarity protected plugs
• Receiver wire and/or switch wire damaged
• Mechanical damage of the case
• Mechanical damage of electronical components/PCB
• Soldered on the PCB (except on external solder-tabs)
• Connected speed-control with reversed polarity
With Limited Lifetime Warranty products, the warranty terms on the Limited Lifetime Warranty
card do also apply.
To eliminate all other possibilities or improper handling, first check all other components and the
trouble shooting guide before you send in this product for repair or warranty. Products sent in for
repair, that operate perfect have to be charged with a service fee.
By sending in this product, you assign LRP to repair the product, if it is no warranty or Limited
Lifetime Warranty case. The original sales receipt including date of purchase needs to be in-
cluded. Otherwise, no warranty can be granted. For quick repair- and return service, add your
address and detailed description of the malfunction.
Our limited warranty liability shall be limited to repairing the unit to our original specifications.
WWW.LRP.CC
TROUBLESHOOTING GUIDE
SYMPTOM
CAUSE
Servo is working, no motor function.
Speed-control plugged in incorrectly
Overload protection activated
Wiring problem
Motor defective
Motor brushes jammed.
Speed-control defective
No servo and no motor function.
Speed-control plugged in incorrectly
Crystal defective
Receiver defective
Transmitter defective
Speed-control defective
Motor runs in reverse when accelera-
Throttle stick polarity at transmitter
ting forward on the transmitter.
changed while driving
Motor connected incorrectly
Insufficient performance.
Motor pinion or gear ratio too long.
E.g. poor brake power, reverse power,
topspeed or acceleration..
Transmitter settings were changed
after startup.
Motor worn out
Motor defective
Speed-control defective.
Speed-control overheats or switches
Reduced cooling efficiency
off frequently.
Motor stronger than motorlimit or input
voltage higher too high
Motor pinion or gear ratio too big
Drive train or bearing problems.
Model used too often without cool-
down periods
Motor never stops, runs at constant
Transmitter settings were changed
slow speed
after startup
Speed-control defective
Radio interference
Motor suppressors not sufficient
Receiver or antenna too close to power
wires, motor, battery or speed-control.
Receiver aerial too short or coiled up
Receiver defective, too sensitive;
transmitter defective, transmitter
output power too low, servo problem
Poor battery connection
Transmitter batteries empty
Transmitter antenna too short
In no case shall our liability exceed the original cost of this unit. Because we don't have con-
trol over the installation or use of this product, we can't accept any liability for any damages
resulting from using this product. By installing or operating this product, the user accepts all
resulting liability.
The specifications like weight, size and others should be seen as guide values. Due to ongoing
technical improvements, which are done in the interest of the product, LRP does not take any
responsibility for the accuracy of these specs.
LRP-DISTRIBUTOR-SERVICE:
• Package your product carefully and include sales receipt and detailed description of mal-
function.
• Send parcel to your national LRP distributor.
• Distributor repairs or exchanges the product.
• Shipment back to you usually by COD (cash on delivery), but this is subject to your national •
LRP distributor's general policy.
REMEDY
Plug speed-control in Ch 2
Allow speed-control to cool down
Check wires and plugs
Replace moto
Check whether brushes are moving
freely
Send in product for repair
Plug speed-control in with correct
polarity
Replace components one by one.
Send in product for repair
Repeat startup procedure
Connect motor correctly
Use smaller motor pinion or shorter
gear ratio
Repeat startup procedure
Maintain motor
Replace motor
Send in product for repair
Cut cooling holes in body
Use only motors within motolimit and
use batteries according to the specifi-
cations of the speed-control
Use smaller motor pinion or shorter
gear ratio
Check or replace components.
Let speed-control cool down after
every run
Repeat startup procedure
Send in product for repair
Solder capacitors to motor
See „Installation Tips" and „Instal-
lation"
Replace components one by one
Only use original manufacturers
crystals
Check plugs and connecting wires
Replace / recharge transmitter batte-
ries at regular intervals
Pull out antenna to full length
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