What’s on your compressor display?
Fast, controller-specific fault interpretation with OEM source traceability and clear boundaries between operator checks and trained service work.
Sullair STS compressor fault codes
Browse the current Sullair STS compressor fault code coverage. Entries are expanded only from identifiable OEM documentation—not generated alarm lists—and each diagnostic page carries its source trail and safe troubleshooting boundary.
OEM-traced diagnostic entries
STS field guides
controller family deeply covered
Built for a machine-down moment
Match the display
Search the exact controller wording rather than a generic compressor symptom.
Trace the source
See probable causes and the specific OEM manual page behind the entry.
Know the boundary
Operator-safe observations are separated from electrical, pressurized and internal service work.
STS troubleshooting field guides
Not every search starts with a fault code. These guides explain how the controller behaves and how to preserve useful evidence.
Sullair STS Warning vs Fault: What the Indicators Mean
The STS distinguishes amber maintenance/warning conditions from red faults. Learn what each state means before you reset anything.
How to Use Sullair STS Event History During Troubleshooting
Use STS event history to preserve the sequence and timing of warnings and faults before parts are replaced or settings are changed.
Sullair STS Troubleshooting: Safe First Checks Before Parts Replacement
A practical first-pass checklist based on Sullair’s troubleshooting guidance: inspect, record evidence and rule out simple external causes before replacing parts.