Juniper M120 - Troubleshooting an M120 FEB When a Chassis Alarm Is Lit Upon Initial Startup or Removal

FEB 4 Intake OK 45 degrees C / 113 degrees F
FEB 4 Exhaust A OK 46 degrees C / 114 degrees F
FEB 4 Exhaust B OK 49 degrees C / 120 degrees F
FEB 5 Intake OK 42 degrees C / 107 degrees F
FEB 5 Exhaust A OK 41 degrees C / 105 degrees F
FEB 5 Exhaust B OK 53 degrees C / 127 degrees F
FPC 2 Exhaust A OK 39 degrees C / 102 degrees F
FPC 2 Exhaust B OK 40 degrees C / 104 degrees F
FPC 3 Exhaust A OK 41 degrees C / 105 degrees F
FPC 3 Exhaust B OK 42 degrees C / 107 degrees F
FPC 4 Exhaust A OK 43 degrees C / 109 degrees F
FPC 4 Exhaust B OK 41 degrees C / 105 degrees F
FPC 5 Exhaust A OK 39 degrees C / 102 degrees F
FPC 5 Exhaust B OK 39 degrees C / 102 degrees F
Fans Front Top Tray Fan 1 OK Spinning at high speed
Front Top Tray Fan 2 OK Spinning at high speed
Front Top Tray Fan 3 OK Spinning at high speed
Front Top Tray Fan 4 OK Spinning at high speed
Front Top Tray Fan 5 OK Spinning at high speed
Front Top Tray Fan 6 OK Spinning at high speed
Front Top Tray Fan 7 OK Spinning at high speed
Front Top Tray Fan 8 OK Spinning at high speed
Front Bottom Tray Fan 1 OK Spinning at high speed
Front Bottom Tray Fan 2 OK Spinning at high speed
Front Bottom Tray Fan 3 OK Spinning at high speed
Front Bottom Tray Fan 4 OK Spinning at high speed
Front Bottom Tray Fan 5 OK Spinning at high speed
Front Bottom Tray Fan 6 OK Spinning at high speed
Front Bottom Tray Fan 7 OK Spinning at high speed
Front Bottom Tray Fan 8 OK Spinning at high speed
Rear Top Tray Fan 1 OK Spinning at high speed
Rear Top Tray Fan 2 OK Spinning at high speed
Rear Top Tray Fan 3 OK Spinning at high speed
Rear Top Tray Fan 4 OK Spinning at high speed
Rear Top Tray Fan 5 OK Spinning at high speed
Rear Top Tray Fan 6 OK Spinning at high speed
Rear Top Tray Fan 7 OK Spinning at high speed
Rear Top Tray Fan 8 OK Spinning at high speed
Rear Bottom Tray Fan 1 OK Spinning at high speed
Rear Bottom Tray Fan 2 OK Spinning at high speed
Rear Bottom Tray Fan 3 OK Spinning at high speed
Rear Bottom Tray Fan 4 OK Spinning at high speed
Rear Bottom Tray Fan 5 OK Spinning at high speed
Rear Bottom Tray Fan 6 OK Spinning at high speed
Rear Bottom Tray Fan 7 OK Spinning at high speed
Rear Bottom Tray Fan 8 OK Spinning at high speed
NOTE: The fan numbers are stamped into the fan tray sheet metal next to
each fan.
Related
Documentation
M120 Cooling System Description on page 19•
• Replacing an M120 Fan Tray on page 190
• Troubleshooting the M120 Cooling System on page 286
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