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Troubleshooting methods for tilt sensors, electronic compasses, angle sensors, tilt switches, etc.
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Fault |
Possible Causes |
Solutions |
Applicable Products |
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No data output |
Power not connected |
Red connects to the positive terminal of the power supply, black connects to the negative terminal. Some products use 5V power supply.Some products use 9-36V power supply, ensure the power supply voltage is normal, and check the power supply voltage with a multimeter. |
All |
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Data cable connection error |
Green is Rxconnects to the Tx of other devices, yellow is Tx connecting to the Rx of other devices. If there is no data output, try swapping the Tx and Rx connections. |
All |
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Data request command error |
The data request command is in hexadecimal, for example68 04 00 01 05, all in hexadecimalnot in decimalCommand data checksum error |
All |
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The last byte of the data command |
is the checksum, which is the sum of all bytes from the second byte of the command to the byte before the checksum, note that each byte is in hexadecimal, and any overflow should be discarded.Communication protocol mismatch |
All |
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Mikro sensor products may support protocols such as RS232, RS485, TTL, CANOpen |
and other protocols, pay attention to protocol matchingCommunication protocol settings mismatch |
All |
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Pay attention to baud rate, parity bit, stop bit, etc., the communication devices at both ends must match strictly |
Communication cable too long |
All |
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RS232 |
Keep the communication distance of the device as close to 10meters as possible. If the cable is too long, it may introduce noise leading to data errorsDevice |
Keep the communication distance of the device as close to 10Poor contact or short circuit of the cable |
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Use a multimeter to check if there is a short circuit in the red, black, green, and yellow wires of the device. If this model is equipped with an aviation plug connection cable, check if the aviation plug connection cable is broken (1 |
red is number 1, blue is number 2, black is number 3, green is number 4, yellow is number 5)Data is intermittent |
All |
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Poor contact of the cable or connector |
Reconnect the cable connector and try again. If the problem persists, replace the matching cable (if equipped) and try again. |
Parameter settings (baud rate, relative zero point, magnetic declination, tilt switch alarm angle, etc.) become invalid after power off |
All |
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Parameter settings not saved in flashAfter parameter settings, if you want to avoid loss after power off, you need to send the 'update flash' command after the parameter settings are successful. |
The command is: 68 04 00 0A 0EParameter settings unsuccessful ( |
for example, baud rate, relative zero point, magnetic declination, tilt switch alarm angle, etc.)Device does not support certain parameter settings |
All |
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Do not perform this parameter settingSetting command error |
The setting command uses hexadecimal format, and pay attention to the checksum calculation method: the last byte of the command is the checksum, which is the sum of all bytes from the second byte of the command to the byte before the checksum, note that each byte is in hexadecimal, and any overflow should be discarded. |
Electronic compass heading angle error is large |
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The electronic compass operating environment has magnetic interference |
First, try to ensure that the electronic compass operating environment is clean, avoid external magnetic field interference, and ensure that there are no magnetizable materials (such as iron) within 1meter. Secondly, for unavoidable external magnetic interference, compensation can be performed through hard and soft magnetic compensation commands, see Appendix I for the compensation process. |
All |
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Electronic compass |
Electronic compass installation axis misalignment |
3DThe electronic compass will compensate for Pitch |
and Roll tilt. When the rotation axis of the carrier is not strictly parallel to the boundary of the electronic compass base, additional Pitch and Roll changes will occur, leading to changes in Heading. The installation angle can be adjusted according to Appendix II. |
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Tilt switch alarm threshold cannot be set |
Tilt switchTilt switch alarm threshold cannot be saved after power offThe relay does not connect after the tilt switch reaches the tilt threshold |
and Roll tilt. When the rotation axis of the carrier is not strictly parallel to the boundary of the electronic compass base, additional Pitch and Roll changes will occur, leading to changes in Heading. The installation angle can be adjusted according to Appendix II. |
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Relay wiring error |
The electronic compass operating environment has magnetic interference |
First, try to ensure that the electronic compass operating environment is clean, avoid external magnetic field interference, and ensure that there are no magnetizable materials (such as iron) within 1meter. Secondly, for unavoidable external magnetic interference, compensation can be performed through hard and soft magnetic compensation commands, see Appendix I for the compensation process. |
Brown, blue, white, gray |
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倾角开关报警阈值断电后无法保存 |
The command is: 68 04 00 0A 0EParameter settings unsuccessful ( |
for example, baud rate, relative zero point, magnetic declination, tilt switch alarm angle, etc.)Device does not support certain parameter settings |
Brown, blue, white, gray |
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倾角开关到了倾斜阈值后继电器不通路 |
继电器接线错误 |
棕，蓝， 白，灰 |
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