06/29/21
Message Overview:
Message Name:
FIRE WARNING TEST NOT SUCCESSFUL WHEN FIRE WARNING TEST INITIATED ON EMS CDU
| Message Code: | 261OBS001 |
| Effectivity: | All |
| System: | Detection |
| System Description: | 26-10-00 |
| Schematic Diagram: | 26-11-00 [ Global Express ] [ G5000 ] [ Global XRS ] 26-14-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wiring Diagram: | 26-10-00 [ Global Express ] [ G5000 ] [ Global XRS ] |
Message Description:
One or more of the caution/warning lights does not show on the EICAS display when the Pilot Initiated Test is done.
Possible Causes:
- Auxiliary Power Unit (APU) Fire Detectors
- Main Landing Gear (MLG) Detectors
- Baggage Smoke Detector
- Lavatory Smoke Detector
- Avionics Bay Smoke Detector
- Closet Smoke Detector
- Fire Extinguishing Bottle 1
- Fire Extinguishing Bottle 2
- Left Engine Squibs
- Right Engine Squibs
- Auxiliary Power Unit (APU) Squibs
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Connect Electrical Power to the Aircraft | AMM 24-00-00-861-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Remove the Electrical Power from the Aircraft | AMM 24-00-00-861-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Electrical/Electronic Safety Precautions | AMM 24-00-00-910-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Safety Precautions - Maintenance Practices - ALL | SPM 20-00-01-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- On the center pedestal on the REVERSION controller panel, set the EICAS switch to NORM.
- On the center pedestal on the EICAS controller panel, set the system SELECT switch to NORM.
- Perform the Pilot Initiated Test of the fire protection system, by pushing the TEST pushbutton on the EMS CDU.
NOTE: On the SYSTEM TEST page of the EMS CDU, the FIRE TEST is then lit. - Press the right side pushbutton opposite TEST to start the FIRE TEST.
- Check for the following results appear on the EMS CDU.
REFERENCE POSITION/INDICATION Both MASTER/CAUTION-WARNING lights Flash Left engine fire-handle light On Right engine fire-handle light On APU fire handle light On Triple chime Aural LEFT ENGINE FIRE Aural RIGHT ENGINE FIRE Aural APU FIRE Aural GEAR BAY OVERHEAT Aural SMOKE Aural L-R ENG FIRE (Warning) EICAS APU FIRE (Warning) EICAS MLG OVHT (Warning) EICAS SMOKE AVIONICS BAY (Warning) EICAS SMOKE BAGGAGE (Warning) (if installed) EICAS SMOKE FWD LAV (Warning) (if installed) EICAS SMOKE AFT LAV (Warning) (if installed) EICAS SMOKE CLOSET (Warning) (if installed) EICAS - After approximately 10 seconds, check if the conditions that follow occur on the EMS CDU.
REFERENCE POSITION/INDICATION Both MASTER/CAUTION-WARNING lights Off Left engine fire-handle light Off Right engine fire-handle light Off APU fire handle light Off - If YES, do close out.
- If NO, continue with next step.
- Check if one of the fault messages that follow appear on the EICAS.
- If YES, perform the applicable troubleshooting in the SmartFix Plus "Troubleshooting by ATA" section.
- If NO, continue with next step.
- Do close out.