Diagnostic Event: Thermal Dimming
Potential Symptoms
- Inappropriate dimming levels. Depending on the ambient light conditions, the display may be too dim to read.
Diagnostic Event(s)
- Thermal Dimming alert in Diagnostics
Environment
- Product: System Health, IDM
- Component: DB-1000, AF-2014
- Control System:
Cause
- display cooling system malfunctioned
- display filters plugged
Resolution
Onsite Troubleshooting Steps
Display face using fans/filtered display:
- investigate fans, thermostat, and filters in problem area
- if fans are not running adjust the thermostat to see if will activate the fans
- if fans do not activate check power to thermostat
- if there is power to the thermostat and it is still not working, replace thermostat
- if fans are running check for dirty filters and replace as necessary
Display face using air conditioners:
- verify thermostat controlling the air conditioning is set properly and that kicks on the AC system
- HVAC tech will be needed to determine any issues with the air conditioning system itself.
Related Resources
Diagnostic Alert: Too bright at night event, Manual dimming set
Diagnostic Alert: Thermal dimming alert on DD in IDM, display is dim
KB ID: DD2056556
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