What to do if the Endress+Hauser SpectraSensors J22 TDLAS device measures incorrectly?
If your Endress+Hauser Measuring Instruments device is measuring incorrectly, first check and correct the parameter configuration. Also, observe the limit values specified in the Technical Data.
How to fix a dark local display and no output signals on Endress+Hauser Measuring Instruments?
If the local display is dark and there are no output signals on your Endress+Hauser Measuring Instruments, consider these potential causes and solutions: * Ensure the supply voltage matches the value indicated on the nameplate and apply the correct supply voltage. * Correct the polarity if the supply voltage polarity is wrong. * Check the cable connections and correct if necessary to ensure proper contact between connecting cables and terminals. * Verify that the terminals are correctly plugged into the I/O electronics module and the main electronics module. * If the I/O or main electronics module is defective, order a spare part.
What to do if the Endress+Hauser Measuring Instruments device shows the correct value on the local display, but the signal output is incorrect?
If your Endress+Hauser Measuring Instruments device shows the correct value on the local display but the signal output is incorrect, check and correct the parameter configuration, as this could be due to a configuration error.
Why is the local display dark on my Endress+Hauser SpectraSensors J22 TDLAS, but the signal output is within the valid range?
If the local display on your Endress+Hauser Measuring Instruments is dark, but the signal output is within the valid range, it could be due to the following reasons: * The display might be set too bright or too dark. To adjust, simultaneously press the indicated buttons to set the display brighter or darker. * The display module cable may not be plugged in correctly; ensure the plug is correctly inserted into the main electronics module and display module. * The display module itself might be defective; in which case, you would need to order a spare part.
How to troubleshoot 'Communication Error' on Endress+Hauser Measuring Instruments?
If you see a 'Communication Error' message on the local display of your Endress+Hauser Measuring Instruments, it means the communication between the display module and the electronics is interrupted. Check the cable and the connector between the main electronics module and display module. If the problem persists, consider ordering a replacement part.
How to resolve no write access to parameters on Endress+Hauser SpectraSensors J22 TDLAS Measuring Instruments?
If you have no write access to parameters on your Endress+Hauser Measuring Instruments, it could be due to: 1. Hardware write protection being enabled: Set the write protection switch on the main electronics module to the Off position. 2. The current user role having limited access authorization: Check the user role and enter the correct customer-specific access code.
What causes the signal output to be outside the valid range on Endress+Hauser SpectraSensors J22 TDLAS?
If the signal output is outside the valid range on your Endress+Hauser Measuring Instruments, the main electronics module may be defective. In this case, you should order a spare part.
General| Manufacturer | Endress+Hauser |
|---|---|
| Technology | TDLAS (Tunable Diode Laser Absorption Spectroscopy) |
| Enclosure | IP66 / NEMA 4X |
| Measurement Principle | Laser absorption spectroscopy |
| Mounting | Inline or extractive |
| Measurement Range | Dependent on target gas and application |
| Operating Temperature | -20 to +50°C |
| Process Temperature | Up to 200°C (depending on application) |
| Response Time | Less than 2 seconds |
| Communication Protocols | Modbus, Ethernet |
| Power Supply | 24 VDC |
| Target Gas | NH3 (Ammonia) |
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