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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 26226 - Block : Invalid protection area type in $NP_TYPE[ ]
An invalid protection area type was indicated. The permitted protection area types are defined by the machine date MD18898 $MN_PROT_AREA_3D_TYPE_NAME_TAB Control reaction: Correction block is reorganized. Interface signals are set. Alarm display.
26226
Siemens 26226 - Block : Invalid protection area type in $NP_TYPE[ ]
Block: Invalid protection area type in $NP_TYPE
An invalid protection area type was indicated. The permitted protection area types are defined by the machine date MD18898 $MN_PROT_AREA_3D_TYPE_NAME_TAB Control reaction: Correction block is reorganized. Interface signals are set. Alarm display.
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Common Causes
- An invalid protection area type was indicated.
- The permitted protection area types are defined by the machine date MD18898 $MN_PROT_AREA_3D_TYPE_NAME_TAB
Troubleshooting Steps
- 1Indicate valid protection area type.
- 2Clear alarm with NC START or RESET key and continue the program. Continuation: Alarms
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Always verify with your machine manual or a certified technician before performing service procedures.