Quick Reference Troubleshooting - Robotronics Vehicle Robot Operating Manual

More detailed troubleshooting by system is included with each subsystem. For additional help or parts
call our service dept. at 801-489-4466.
Problem
General
No functions operate
Voice System
Always do the following first:
6. Replace the 9 Volt batteries with new ones. USE ALKALINE!
7. Bend the battery contact out for better contact with the post of the 9 Volt battery.
8. Check power and audio switches, and lights on all voice units.
9. Check plug to and from the voices for proper connection.
10. Check if the transmit (TX) lights are coming on.
Operator cannot talk
Operator cannot hear
Voice Operates but cuts out.
Should get 50 feet without any cutouts.
Squelch coming from robot
Squelch in headset when turning robot
off.
50

Quick Reference Troubleshooting

Cause
1.RC battery not charged
2.Broken wire from the receiver to main board
3.Fuse blown.
4.Main board in robot not getting power
5.Radio Control transmitter or Receiver Crystal
broken.
1. Low Battery. LED on steady or no LED
flash.
2. Battery posts not touching the metal clips in
the operator's transmitter.
3. No power to the 101 Receiver.
continue.
4. No TX light on the Receiver.
continue.
5. Audio wires going through pitch shifter
connected wrong.
6. Headset plug to transmitter has a broken
wire.
7. Still not working. Call Robotronics.
1. Low Battery. LED on steady or no LED flash.
2. Battery posts not touching the metal clips in
the operator's receiver
3. Headset plug to 151 RX has a broken wire.
4. Robot 151 transmitter not turned on.
5. Power plug to robot 151 transmitter
unplugged.
6. If you have no TX light on 151 RX mute
could be out of adjustment
7. Robot microphone in robot is bad.
8. Still not working. Call Robotronics.
1. Low Battery.
2. Sensitivity Adjustment down too far.
3. Broken, loose or retracted antenna
1. No signal being sent to the robot
2. Sensitivity is too sensitive.
1. 151 Receiver slightly too sensitive.
2. 151 RX picking up interference in your area.
Solution
1. Fully charge until the needle is up.
2. Resolder or repair wire.
3. Check 5 Volt Reg. and processor fuse.
4. Check pins of battery and robot connector.
Check on/off switch wires. Check ground wires.
5. Replace crystals. Send RC and Receiver in to
determine if it is a crystal.
1. Replace the 9 Volt battery. Is battery inserted in
correct polarity?
2. Bend out the metal clips. Put foam under clips.
If yes, 3. Check the in line fuse to the Receiver in robot
and audio fuse on main fuse block.
If yes, 4. Check Sensitivity adjustment on back of
Receiver. It should be on Max. Sens.
5. The wire should go from audio out of receiver
to input of pitch shifter, then from output A into
the main box and plug on to the main board.
6. Unscrew the cover of the male plug and look for
broken wire or solder joint. TEST- Connect robot
mic to transmitter. If it now works, problem is in
headset. Repair or replace.
Send transmitter, receiver, and headset in.
1. Replace the 9 Volt battery.
2. Bend out the metal clips. Put foam under clips.
3. Unscrew cover of plug and look for broken wire.
4. Turn on audio and power.
5. Find wire and plug it back in.
6. Adjust the mute on the 151 RX to max. which is
fully CCW.
7. Order a replacement.
headset into the robot transmitter in place of the
robot microphone and test.
8. Send robot mic, transmitter, receiver, and
headset.
1. Replace the 9 Volt battery.
2. Sensitivity adjustments should be at max. on
the 151 Receiver and robot receiver.
3. Extend robot receiver antenna or replace
broken antenna.
1. Turn on the operator's transmitter.
2. Very slightly adjust sensitivity down from max.
(This will decrease your range)
1. Adjust 151 RX mute slightly CW
2. Always turn off 151 RX the robot.
TEST- Plug your