What is OTP-TRIPPED?
OTP-TRIPPED is a critical-severity power supply unit (PSU) problem. The source's internal temperature sensors exceeded the safe limit and the source shut down. The usual suspects are power supply fan stuck, clogged dust filter on the bottom of the cabinet and the power supply is installed 'upside down' on a carpet. See the troubleshooting steps below for the fix.
Common Causes
- Power supply fan stuck
- Clogged dust filter on the bottom of the cabinet
- The power supply is installed 'upside down' on a carpet
Step-by-Step Fix Guide
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1
Clean the dust filters
Begin with Clean the dust filters; it's the step that resolves OTP-TRIPPED for the largest share of reported cases.
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2
Provide a supply of cold air to the source
If the problem isn't fully resolved yet, the remaining steps rule out the less frequent psu instability triggers.
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3
Verify fan functionality (some have 0-RPM mode, but must spin under load)
"Verify fan functionality (some have 0-RPM mode, but must spin under load)" covers a less common but documented cause of OTP-TRIPPED.
Commands & Diagnostics
systeminfo
Frequently Asked Questions
In most cases, power supply fan stuck is behind OTP-TRIPPED. Clogged dust filter on the bottom of the cabinet and the power supply is installed 'upside down' on a carpet can trigger it too.
Most OTP-TRIPPED reports resolve after "Clean the dust filters". The rest of the guide above is there for the cases that don't.
Treat OTP-TRIPPED as urgent — it's flagged critical severity, meaning repeated occurrences risk data loss or hardware damage.
In most cases, yes — the guide above resolves OTP-TRIPPED without a clean install. Treat a reinstall as the last resort, not the first move.
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