GE AF-600 FP Design And Installation Manual

Also see for AF-600 FP Series: Quick installation guide Quick guide Operating instructions Operating instructions Operating instructions

Contents

10 Basic Troubleshooting10.1 Start Up and OperationSymptom Possible Cause Test SolutionDisplay dark / No functionMissing input power See Table 3.1. Check the input power source.Missing or open fuses or circuitbreaker trippedSee open fuses and tripped circuitbreaker in this table for possiblecauses.Follow the recommendationsprovidedNo power to the keypad Check the keypad cable for properconnection or damage.Replace the faulty keypad orconnection cable.Shortcut on control voltage(terminal 12 or 50) or at controlterminalsCheck the 24 V control voltagesupply for terminal 12/13 to 20–39or 10 V supply for terminal 50 to55.Wire the terminals properly.Wrong contrast setting Press [Status] + [▲]/[▼] to adjustthe contrast.Display (keypad) is defective Test using a different keypad. Replace the faulty keypad orconnection cable.Internal voltage supply fault orSMPS is defectiveContact supplier.Intermittent displayOverloaded power supply (SMPS)due to improper control wiring ora fault within the adjustablefrequency drive.To rule out a problem in thecontrol wiring, disconnect allcontrol wiring by removing theterminal blocks.If the display stays lit, then theproblem is in the control wiring.Check the wiring for shorts orincorrect connections. If the displaycontinues to cut out, follow theprocedure for display dark.Basic Troubleshooting AF-600 FP Design and Installation GuideDET-768A 10-110 10