MSA ULTIMA X5000 Gas Monitor
MSA ULTIMA X5000 Gas Monitor Both side green LEDs blinking: Gas value is still shown.
The gas monitor recommends a calibration, meaning the instrument will display a warning.
- Code
- Both side green LEDs blinking
- Name
- Gas value is still shown.
- Controller
- MSA ULTIMA X5000 Gas Monitor
- Type
- Sensor fault
- What it does
- Warning: the equipment keeps running and flags a problem
- Risk
- GREEN In your wheelhouse
- Reset
- Clears on its own when the condition goes away
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated November 4, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- What the manual says to do, and the page it is on
- The step by step check for this problem, one check at a time
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does MSA ULTIMA X5000 Gas Monitor Both side green LEDs blinking mean?
The gas monitor recommends a calibration, meaning the instrument will display a warning.
Is MSA ULTIMA X5000 Gas Monitor Both side green LEDs blinking dangerous?
It is graded green: in a working tech's wheelhouse with standard tools and low risk.
How do I fix MSA ULTIMA X5000 Gas Monitor Both side green LEDs blinking?
The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.
Other MSA ULTIMA X5000 Gas Monitor codes
Sensor Configuration Reset · Sensor Configuration ResetDiffusion Supervision Fault · Diffusion Supervision FaultSensor Supply Voltage Fault · Sensor Supply Voltage FaultExternal Memory Access Error · External Memory Access ErrorExternal Memory Checksum Error · External Memory Checksum Error
All 39 MSA ULTIMA X5000 Gas Monitor codes · Every fault code