What does Gardner Denver shutdown 107 high plant pressure mean?
Short answer: High package discharge pressure. If your Gardner Denver AirSmart controller is showing SHUTDOWN #107 HIGH PLANT PRES, the controller has logged a specific, documented condition. This page covers what it means, what causes it, what you can safely fix yourself, and when — and why — it takes a technician.
What exactly is the machine telling you?
Pressure at the package discharge exceeded 190 PSIG (13 bar), so the controller shut the machine down to protect the system.
Which machines show this?
Gardner Denver rotary screw compressors fitted with the first-generation AirSmart microprocessor controller — a wide range of oil-injected packages, including VFD-equipped variable-speed units where the controller supervises the drive. The first-generation AirSmart reports problems as numbered codes: SHUTDOWN #1xx and #2xx faults that stop the machine, and ADVISORY #3xx warnings that let it keep running while flagging maintenance. That numbering matters when you search — the later AirSmart G2 dropped the numbers and displays plain-text fault names instead, so a numbered code on the screen tells you that you are on the earlier controller. Shutdowns clear with Stop/Reset once the machine has stopped; advisories acknowledge with the Enter key.
What causes it?
- A downstream valve was closed or plant demand dropped suddenly, deadheading the compressor
- Controller pressure settings set higher than the plant actually needs
- The unloading system failing to unload the machine when pressure reached setpoint (the repeat case)
Can you fix it yourself?
Yes, if a closed valve or wrong setpoint caused it — fix the valve position or the settings and restart. If pressure climbs past 190 PSIG again on its own, stop resetting it.
Step by step — what to try, in order:
- Check whether a downstream valve was closed or plant demand changed suddenly
- Verify the pressure settings in the controller match your plant requirements
- Press Stop/Reset after the machine stops and restart while watching line pressure
When do you need a technician — and why?
Diagnosing why an unloading system lets pressure overshoot means working on the pressurized air circuit and control valves with gauges, which is a technician's job on a machine that has already proven it can over-pressurize.
If it does come to a service call and you're in Nashville, TN or Birmingham, AL, we maintain independently compiled lists of local companies that service industrial air compressors — real businesses with verified contact information, none of whom paid to be listed.
Related questions
What does SHUTDOWN #107 HIGH PLANT PRES mean on a Gardner Denver AirSmart controller?
High package discharge pressure. Pressure at the package discharge exceeded 190 PSIG (13 bar), so the controller shut the machine down to protect the system.
Can I fix SHUTDOWN #107 HIGH PLANT PRES on a Gardner Denver AirSmart controller myself?
Yes, if a closed valve or wrong setpoint caused it — fix the valve position or the settings and restart. If pressure climbs past 190 PSIG again on its own, stop resetting it.
When does SHUTDOWN #107 HIGH PLANT PRES on a Gardner Denver AirSmart controller need a technician?
Diagnosing why an unloading system lets pressure overshoot means working on the pressurized air circuit and control valves with gauges, which is a technician's job on a machine that has already proven it can over-pressurize. Call a technician if pressure climbs above setpoint again — the unloading system or pressure controls need professional diagnosis.
Verified against service documentation: Gardner Denver AirSmart controller documentation for SHUTDOWN #107 HIGH PLANT PRES (best-aire.com)