37Step 6 — Faults and Warning CodesPOWERXL DG1 SERIES ADJUSTABLE FREQUENCY DRIVES MN040012EN—December 2017 www.eaton.comFaultCode Fault Name Fault Type DefaultFault Type Possible Cause Remedy Realization91 Option Card Fault Configurable Fault External supply on the DeviceNet communicationconnector is not present.Check voltage and wiring ofpower supply of the DeviceNetcommunication.MCU92 External Fault 2 Configurable Fault Digital input is activated for external fault input. check digital input settings and verifyinput level, could be an external devicecausing fault.MCU93 External Fault 3 Configurable Fault Digital input is activated for external fault input. check digital input settings and verifyinput level, could be an external devicecausing fault.MCU103 Drive OverTempWarningWarning Drive is 10 degrees away form the trip point of90 deg C.Check the drive degree DSP104 CompatibilityFaultWarning DSP firmware is not compatible with MCB firmware Check the DSP firmware revision MCU105 CompatibilityFaultWarning Keypad firmware is not compatible withMCB firmwareCheck the keypad firmware revision MCU106 CompatibilityFaultWarning IO1 card firmware is not compatible withMCB firmwareCheck the IO1 card firmware revision MCU107 CompatibilityFaultWarning IO2 card firmware is not compatible withMCB firmwareCheck the IO2 card firmware revision MCU108 CompatibilityFaultWarning IO3 card firmware is not compatible withMCB firmwareCheck the IO3 card firmware revision MCU109 CompatibilityFaultWarning IO4 card firmware is not compatible withMCB firmwareCheck the IO4 card firmware revision MCU110 CompatibilityFaultWarning IO5 card firmware is not compatible withMCB firmwareCheck the IO5 card firmware revision MCU111 CompatibilityFaultWarning Profibus card firmware is not compatible withMCB firmwareCheck the Profibus card firmwarerevisionMCU