2022-07-07
| the fault phenomenon | fault judgment | judgment method | |
| 1 | display data drift | 1. The signal cable is damaged
2. Virtual welding, poor contact 3. Poor insulation |
1. Check whether the exposed signal cable is intact.
2. Measure whether the input and output resistance is normal and stable; 3. Check whether the insulation is normal. |
| 2 | zero output signal is too large | 1. The bridge is disconnected
2. The overload |
1. Check whether the sensor is deformed.
2. Measure whether the input and output resistance is normal; 3. Measure resistance symmetry. |
| 3 | no signal | 1. The signal cable is disconnected
2. The sensor bridge is disconnected |
1. Check whether the external signal cable is broken.
2. Check whether the output and input resistances are normal |
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