What does Mazak alarm 204 mean?

Mazak alarm 204 is "SPINDLE OIL LOW". The liquid level in the tank for milling spindle oil/air lubrication system has decreased. Error type: Machine (PLC) — machine failure. Machine state: Single-block stop — stopped at a block.

How do I fix and clear Mazak alarm 204?

Refill the milling spindle oil/air lubrication tank with lubricating oil. In case of extreme insufficiency, however, examine the cause first. Clearing procedure: Fix cause → tap alarm clear button.

ALARMSMazatrol Assistant

WARNINGAlarm code

204

SPINDLE OIL LOW

What it means

The liquid level in the tank for milling spindle oil/air lubrication system has decreased.

What to do

1Refill the milling spindle oil/air lubrication tank with lubricating oil.
2In case of extreme insufficiency, however, examine the cause first.

Codebook — decoded

FError typeMachine (PLC) — machine failure

JStop statusSingle-block stop — stopped at a block

QClearingFix cause → tap alarm clear button

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

Still stuck? Ask the Mazatrol assistant →