Carrier OMNIZONE 50XJ064-104 Operating And Troubleshooting Manual

Also see for OMNIZONE 50BV020: Installation and service instructions

26Table 16 — Trip Messages for 50BV VFD (cont)*With a parameter, you can choose between trip-on and -off.NOTES:1. During operation, the following alarms may be displayed, which have the same meaning as previously defined alarms.• C (overcurrent alarm) — same as OC• P (overvoltage alarm) — same as OP• L (overload alarm) — same as OL1/OL2• H (overheat alarm) — same as OH2. If two or more problems arise simultaneously, one of the following alarms appears and blinks.CP, PL, CPLThe blinking alarms, C, P, L, H are displayed in this order from left to right.ERRORCODE COMMUNICATIONNO. PROBLEM POSSIBLE CAUSES REMEDIES*UC 1D Small-currentoperation trip• The output current falls to the low-currentdetection level during operation.• Enable F610 (low-current detectionparameter).• Check whether the detection level is setproperly to the system.(F611 and F612)• If no error is found in the setting, make aservice call.EF2 22h Ground fault trip • A ground fault occurs in the output cableor the motor. • Check the cable and the motor for groundfaults.E 11h Emergency stop • During automatic operation or remoteoperation, a stop command is entered fromthe operation panel or a remote input device.• Reset the inverter.Err2 15h Main unit RAM fault • The control RAM is defective. • Make a service call.Err3 16h Main unit ROM fault • The control ROM is defective. • Make a service call.Err4 17h CPU fault trip • The control CPU is defective. • Make a service call.Err5 18h Remote controlerror• An error arises during remote operation. • Check the remote control device,cables, etc.EtYP 29h Inverter type error • The control circuit board (main circuitboard or drive circuit board) is replaced.• Make a service call.EEP1 12h EEPROM fault • A data writing error occurs. • Turn off the inverter, then turn it on again.If it does not recover from the error, makea service call.Etn 28h Auto-tuning error • Check the settings of the motor parameters F401to F408• Check that the motor is not two or more sizes smaller in capacity than the inverter.• Check that the inverter output cable is not too thin.• Check that the motor is not running.• Check that the motor is a three-phase inductive motor.