Product Maintenance; Troubleshooting - udir/c UD1601PRO Operating Instructions Manual

4
When not in use, remove the battery from the
model and transmitter.
Apply lubricating oil to external metal parts.
5
Situation description
Remote control car
doesn't work
Long frequency matching time
Operation delay
The vehicle moves forward
(backward) automatically or
makes a sound of "en...."

Product maintenance

Troubleshooting

Cause
Remote control car battery low
Transmitter battery low
The wheel or transmission shaft
is entangled with foreign matters
Motor reaches the effective service life
Signal interference exists
Encounter obstacles or
interferences
Potentiomer is not in the center
Please clean the sediment and dirt on the car
before entering the
warehouse.
Please separate the car and battery when
not in use.
Replace the same motor of this model
Suspend operation for a few seconds.
Avoid obstacles or interferences
20
Solution
Remove the battery and charge it
Replacement of new batteries
Remove debris
Restart the car and transmitter power
Restart the transmitter