Alarm: Calibration Failure
Manufacturer: Yokogawa
Analyzer: TDLS8000 Gas Analyzer
Alarm Description
Calibration Failure indicates the TDLS8000 cannot complete zero or span calibration. Measurement is unreliable until resolved.
Typical Symptoms
- Zero or span calibration fails
- Gas reading outside expected range
- Repeated calibration errors after restart
Probable Causes
- Incorrect or unstable calibration gas
- Measurement path obstructed or contaminated
- Laser or detector misaligned
- Electronics module failure
Field Checks
- Verify calibration gas type and flow
- Inspect measurement path for contamination
- Check laser output and detector alignment
- Inspect electronics module
Corrective Actions
- Replace or correct calibration gas supply
- Clean or repair measurement path
- Adjust or replace laser/detector if needed
- Replace electronics module if alarm persists