The Mori Seiki EX series (including EX-101, EX-106, etc.) is known for reliability, but like all CNC machines, it communicates issues through specific alarm codes. Understanding the difference between and Machine Alarms is the first step in troubleshooting.
Kenji sighed. He’d seen this before. The operator, a kid named Hiro, was pale as a ghost. "I swear, Tanaka-san," Hiro stammered, "I zero-returned everything. The tool changer arm was clear. It just… screamed." mori seiki ex alarm list
Do not confuse EX alarms with SV (Servo) alarms or OT (OverTravel) alarms. Resetting an EX alarm often requires cycling power or entering a specific reset M-code (such as M470 on DuraTurn series to reset chip conveyor faults). The Mori Seiki EX series (including EX-101, EX-106, etc
On the MAPPS or Fanuc screen, press the [MESSAGE] or [ALARM] hard key. EX alarms usually provide a text string (e.g., EX0501 LUBRICATION PRESSURE LOW ). He’d seen this before
: The incoming air pressure has dropped below the operational threshold. EX1047 - PMC Parameter Error
: General error related to the operator panel or its power supply. EX0491 - Spindle Speed Abnormal
: Sudden drop in incoming air pressure.