How do I fix and clear Mazak alarm 219?

Turn the main power disconnect switch off and observe the situation for a while. If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

CRITICALAlarm code

219

MAIN TRANSFORMER OVERHEAT

Q: What does Mazak alarm 219 mean?

Mazak alarm 219 is "MAIN TRANSFORMER OVERHEAT". The power transformer was overheated because cutting was performed for a long time under heavy load. (The thermal switch was triggered.) Error type: Machine (PLC) — machine failure. Machine state: Emergency stop — machine fully stopped.

What it means

The power transformer was overheated because cutting was performed for a long time under heavy load. (The thermal switch was triggered.)

What to do

1Turn the main power disconnect switch off and observe the situation for a while.
2If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

FError typeMachine (PLC) — machine failure

HStop statusEmergency stop — machine fully stopped

OClearingFix cause → press RESET

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →