1902
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Generac · Standby Generators
Oil pressure/oil protection alarm triggered.
Quick Answer
Error code 1902 on your Generac Standby Generators means: Oil pressure/oil protection alarm triggered.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check oil level immediately.
2
Top off with manufacturer-specified oil if low.
3
Inspect for leaks.
4
Reset alarm and run brief test only if oil is correct.
5
Service pressure sensor or engine components if alarm repeats.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
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