A S S e r i e s O p e r a t i o n M a n u a l1 2 - 1 0_1212.2.7 The LED RUN and ERROR Indicators are BlinkingSimultaneously Every 0.5 SecondsThis happens when the firmware of the CPU module is being upgraded. If this happens once the power is supplied to theCPU module, it means errors occurred during the previous firmware upgrade. Users need to upgrade the firmware againor contact your point of purchase.12.2.8 The RUN and LED Indicators are Blinking One After AnotherEvery 0.5 Seconds.This happens when the CPU module memory card is backing up, restoring, or saving.12.2.9 Other Errors (Without LED Indicators)ErrorCode(16#)Description Solution Flag Log0011 The PLC ID is incorrect. Check the PLC ID. SM34 V0012 The PLC password is incorrect. Check the PLC password. SM34 V002D The PLC maximum password attemptsexceeded.Reset the CPU module or restore the CPU moduleto its factory settings. SM34 V0050 The memories in the latched specialauxiliary relays are abnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V0051 The latched special data registers areabnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V0052 The memories in the latched auxiliaryrelays are abnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V0054 The latched counters are abnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, please contact thefactory.SM6 V0055 The latched 32-bit counters areabnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V0056 The latched special auxiliary relay isabnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V0059 The latched data registers areabnormal.1. Reset the CPU module or restore the CPUmodule to its factory settings, and then downloadthe program and the parameters again.2. If the error still occurs, contact the factory.SM6 V