Carrier 19XRV Series Start-up And Service Instructions

Also see for AquaEdge 19XRV series: Start-up, operation and maintenance instructions Start-up and service instructions Installation instructions Start-up, operation and maintenance instructions Start-up and service instructions

Contents

1315 206 449 Load Loss If this fault appears, there may be a prob-lem with software configuration.To reset the processor, cycle power to chiller,check VFD_CONF settings and save settingswhen exiting VFD_CONF (PIC3)/CFGUMVFD(PIC6) configuration screen.Check VFD parameters with Drive Explorer.17 216 446The DC bus ripplehas exceeded apreset level.Line Voltage imbalanceCheck phase-to-phase and phase-to-ground dis-tribution bus voltage. Increase Line Voltage %Imbalance in VFD_CONF (PIC3)/CFGUMVFD(PIC6) screen.20 206 449 TorqPrv Spd Band See VFD Fault Code 15 See VFD Fault Code 1521 225 445 Output PhaseLoss The current in one or more phases hasbeen lost or remains below a preset level.Check Motor Current % Imbalance in VFD_CONF(PIC3)/CFGUMVFD (PIC6) screen.24 204 442 Decel InhibitThe drive is not following a commandeddeceleration because it is attempting tolimit bus voltage.Verify input voltage is within drive specifiedlimits.Verify system ground impedance follows propergrounding techniques.Disable bus regulation P186 and/or add dynamicbrake resistor and/or extend deceleration timeP537 and P538.33 206 449 AuRsts Exhausted See VFD Fault Code 15 See VFD Fault Code 1536 286 438 SW Overcurrent The drive output current has exceededthe 1 ms current rating.Check for excess load, improper DC boost set-ting, DC brake volts set too high.38220 432Phase U to GndGROUND FAULTCheck wiring between drive and motor.Check motor for grounded phase.Check motor terminals.Replace drive.39 Phase V to Gnd40 Phase W to Gnd41220 449Phase UV ShortGROUND FAULTCheck wiring between drive and motor.Check motor terminals.Replace drive.42 Phase VW Short43 Phase WU Short44 206 432 Phase UNotGROUND FAULT (no LF2 equivalent)Check wiring between drive and motor.Check motor terminals.Replace drive.45 206 432 Phase VNot46 206 432 Phase WNot55 NONE 444 Ctrl Bd InverterOvertempThe temperature sensor on the main con-trol board detected excessive heat.Check that VFD refrigerant isolation valves areopen. Check VFD refrigerant strainer.61 206 449 Shear Pin 1 See VFD Fault Code 15 See VFD Fault Code 1562 206 449 Shear Pin 2 See VFD Fault Code 15 See VFD Fault Code 1564 206 449 Drive Overload Drive is overloaded.Check for high entering water temperature or lowcondenser water flow. Check current settings inVFD_CONF (PIC3)/CFGUMVFD (PIC6) screen.77 206 449 IR Volts Range See VFD Fault Code 15 See VFD Fault Code 1578 206 449 FluxAmpsRefRang See VFD Fault Code 15 See VFD Fault Code 1579 206 449 Excessive Load Motor did not come up to speed in theallotted time.Check that guide vanes are closed completely.Check for high entering water temperature or lowcondenser flow.Repeat Autotune80 206 449 AutoTune Aborted See VFD Fault Code 15 See VFD Fault Code 1587 206 449 IXo VoltageRange Ixo voltage calculated from motor name-plate data is too high. Re-enter motor nameplate data in VFD_CONF(PIC3)/CFGUMVFD (PIC6) screen.91 206 449 Pri VelFdbk Loss See VFD Fault Code 15 See VFD Fault Code 1593 206 449 HW Enable Check See VFD Fault Code 15 See VFD Fault Code 1594 206 449 Alt VelFdbk Loss See VFD Fault Code 15 See VFD Fault Code 1595 206 449 Aux VelFdbk Loss See VFD Fault Code 15 See VFD Fault Code 1596 206 449 PositionFdbkLoss See VFD Fault Code 15 See VFD Fault Code 1597 206 449 Auto Tach Switch See VFD Fault Code 15 See VFD Fault Code 15100 206 451 ParameterChksum The checksum read from the board doesnot match the checksum calculated.Press ICVC reset (PIC3)/Reset alarm (PIC6).Check VFD_CONF parameters.Cycle power to the drive.106 284 453 Incompat MCB-PB The main control board did not recognizethe power structure. Flash with newer Application version software.107 NONE 451 Replaced MCB-PBThe main control board was moved to adifferent power structure. Data set todefault values.Press ICVC reset (PIC3)/Reset alarm (PIC6).Check VFD_CONF (PIC3)/CFGUMVFD (PIC6)parameters.Cycle power to the drive.113 206 451 Tracking DataErr Internal data error Press ICVC reset (PIC3)/Reset alarm (PIC6).Cycle power to the drive.124 206 451 App ID Changed Application firmware changed. Verify application version.Table 5 — Powerflex 755 Fault Code Descriptions and Corrective Actions (cont)VFDFAULTCODEON VFDHISTSCREENICVCFAULTSTATEPIC6FAULTSTATEFAULT TYPE DESCRIPTION CORRECTIVE ACTION