Troubleshooting steps
Check safety switches, verify safety interlocks
Heavy Equipment Codes
Caterpillar E149 – Safety system fault
Safety system fault
Details
Caterpillar E149 error on Construction, Mining equipment indicates safety system fault. Safety switch activated, safety interlock open. Check safety switches, verify safety interlocks.
Error typesafety
MeaningSafety system fault
Typical causesSafety switch activated, safety interlock open
SolutionsCheck safety switches, verify safety interlocks
SeverityCritical
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CaterpillarE149
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What does E149 mean on Caterpillar equipment?
E149 on Caterpillar Construction, Mining equipment indicates safety system fault. Safety switch activated, safety interlock open.
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