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Code oPE03: Multi-Function Input Selection Error

Issue Description & Safety Warning

The Yaskawa V1000 AC Drive has triggered a critical Multi-Function Input Selection Error 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

Code type: Operator programming error Manual section: Yaskawa V1000 Troubleshooting - The same function is assigned to two multi-function inputs. - Excludes “Not used” and “External Fault.” - Ensure all multi-function inputs are assigned to different functions. - Re-enter the multi-function settings to ensure this does not occur. The Up command was set but the Down command was not, or vice versa (settings 10 vs. 11). Correctly set functions that need to be enabled in combination with other functions. The Up 2 command was set but the Down 2 command was not, or vice versa (settings 75 vs. 76). - Run/Stop command for a 2-Wire sequence 2 was set (H1-oo = 42), but forward/ reverse command (H1-oo = 43) was not. - “Drive Enable” is set to multi-function input S1 or S2 (H1-01 = 6A or H1-02 = 6A). Correctly set functions that need to be enabled in combination with other functions. Two of the following functions are set at the same time: - Up/Down Command (10 vs. 11) - Up 2/Down 2 Command (75 vs. 76) - Hold Accel/Decel Stop (A) - Analog Frequency Reference Sample/ Hold (1E) - Offset Frequency 1, 2, 3 Calculations (44, 45, 46) - Check if contradictory settings have been assigned to the multi-function input terminals at the same time. - Correct setting errors. The Up/Down command (10, 11) is enabled at the same time as PID control (b5-01). Set b5-01 to 0 to disable PID control or disable the Up/Down command.

Source: Yaskawa AC Drive V1000 Compact Vector Control Drive Technical Manual (SIEP C710606 19D)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

About Yaskawa V1000 AC Drive Alarms

Yaskawa controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code oPE03 on the V1000 AC Drive identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Yaskawa's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.

Complete Alarm List: 153 Yaskawa V1000 AC Drive codes.

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