Haas

ALARM 151 – Tool changer fault

Tool changer mechanism error

Details

Tool changer cannot complete tool change operation.

Error typealarm
MeaningTool changer error
Typical causesMechanical binding tool stuck misalignment limit switch fault
SolutionsCheck tool changer mechanism verify tool is not stuck check limit switches verify alignment
Severityhigh

Catalog references

System Information

HaasALARM 151

Utilities

Troubleshooting Steps

Troubleshooting steps

Check tool changer mechanism verify tool is not stuck check limit switches verify alignment

Other alarms

Other Haas Alarms

ALARM 102 – Low coolant

Low coolant level detected

→

ALARM 103 – Low air pressure

Low air pressure detected

→

ALARM 161 – Spindle fault

Spindle drive or motor fault

→

ALARM 107 – Tool probe fault

Tool probe measurement error

→

ALARM 108 – Tool length fault

Tool length measurement failed

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FAQ

Common questions

Can I manually change tools?

Some machines allow manual tool change in emergency. Refer to operator manual.