50
Quick Reference Troubleshooting
More detailed troubleshooting by system is included with each subsystem. For additional help or parts
call our service dept. at 801-489-4466.
Problem
Cause
Solution
General
1.RC battery not charged
1. Fully charge until the needle is up.
2.Broken wire from the receiver to main board
2. Resolder or repair wire.
3.Fuse blown.
3. Check 5 Volt Reg. and processor fuse.
4.Main board in robot not getting power
4. Check pins of battery and robot connector.
Check on/off switch wires. Check ground wires.
No functions operate
5.Radio Control transmitter or Receiver Crystal
broken.
5. Replace crystals. Send RC and Receiver in to
determine if it is a crystal.
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.
1. Low Battery. LED on steady or no LED
flash.
1. Replace the 9 Volt battery. Is battery inserted in
correct polarity?
2. Battery posts not touching the metal clips in
the operator’s transmitter.
2. Bend out the metal clips. Put foam under clips.
3. No power to the 101 Receiver. If yes,
continue.
3. Check the in line fuse to the Receiver in robot
and audio fuse on main fuse block.
4. No TX light on the Receiver. If yes,
continue.
4. Check Sensitivity adjustment on back of
Receiver. It should be on Max. Sens.
5. Audio wires going through pitch shifter
connected wrong.
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. Headset plug to transmitter has a broken
wire.
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.
Operator cannot talk
7. Still not working. Call Robotronics.
Send transmitter, receiver, and headset in.
1. Low Battery. LED on steady or no LED flash.
1. Replace the 9 Volt battery.
2. Battery posts not touching the metal clips in
the operator’s receiver
2. Bend out the metal clips. Put foam under clips.
3. Headset plug to 151 RX has a broken wire.
3. Unscrew cover of plug and look for broken wire.
4. Robot 151 transmitter not turned on.
4. Turn on audio and power.
5. Power plug to robot 151 transmitter
unplugged.
5. Find wire and plug it back in.
6. If you have no TX light on 151 RX mute
could be out of adjustment
6. Adjust the mute on the 151 RX to max. which is
fully CCW.
7. Robot microphone in robot is bad.
7. Order a replacement. TEST- Plug your
headset into the robot transmitter in place of the
robot microphone and test.
Operator cannot hear
8. Still not working. Call Robotronics.
8. Send robot mic, transmitter, receiver, and
headset.
1. Low Battery.
1. Replace the 9 Volt battery.
2. Sensitivity Adjustment down too far.
2. Sensitivity adjustments should be at max. on
the 151 Receiver and robot receiver.
Voice Operates but cuts out.
Should get 50 feet without any cutouts.
3. Broken, loose or retracted antenna
3. Extend robot receiver antenna or replace
broken antenna.
1. No signal being sent to the robot
1. Turn on the operator’s transmitter.
Squelch coming from robot
2. Sensitivity is too sensitive.
2. Very slightly adjust sensitivity down from max.
(This will decrease your range)
1. 151 Receiver slightly too sensitive.
1. Adjust 151 RX mute slightly CW
Squelch in headset when turning robot
off.
2. 151 RX picking up interference in your area.
2. Always turn off 151 RX the robot.
Summary of Contents for Vehicle Robot
Page 53: ...49 APPENDIX A ...
Page 57: ...53 Robot Block Diagram ...
Page 58: ...54 APPENDIX B ROBOT PARTS IDENTIFICATION ...
Page 77: ...73 APPENDIX C CHECKLIST AND MAINTENANCE FORMS ...
Page 79: ...75 ...
Page 80: ...76 Notes ...
Page 81: ...77 Technical Tips ...
