Code Z14-000: CC-Link IE F H/W test status n1 n2
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical CC-Link IE F H/W test status n1 n2 alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Details H/W test is completed for the CC-Link IE field network unit. Check the test result. n1: Indicates the H/W test result of slot 1 (in hexadecimal format). n2: Indicates the H/W test result of slot 2 (in hexadecimal format). 0: H/W test is normally completed or not performed 2: External self-loopback test is completed with connection error 3: External self-loopback test is completed with communication error FFFF: H/W test is underway Remedy Take the following measures according to the test result. 0: Check the communication mode. If the mode is H/W test, switch it to online, and turn OFF and ON the NC power. If a mode other than H/W test is ac tive, check the result of the other slot and take the measures. 2: Make sure the connection of Ethernet cable, or exchange the cable. And then perform the test again. If the error occurs again, exchange the H/W. 3: Exchange the Ethernet cabl e, and perform the test again. If the error occurs again, exchange the H/W. FFFF: Turn OFF and ON the NC power. If the result is unc hanged, exchange the H/W. CC-L IE F Basic(M) comm. error n1 n2
Source: Mitsubishi M800/M80/E80 Series Alarm/Parameter Manual (IB-1501279)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Mitsubishi M800/M80 CNC Alarms
Mitsubishi controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code Z14-000 on the M800/M80 CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Mitsubishi's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 722 Mitsubishi M800/M80 CNC codes.
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