Fuji Electric FRENIC-Eco Error Codes

27 codes from pages 205–286 of the manual

This is the list of alarm, error codes the Fuji Electric manual gives for the FRENIC-Eco FRENIC-Eco inverter. Find your code below and open it for what the manual says about its causes and what to do.

Alarm codes from p. 205

CodeWhat it meansPage
OC1 Overcurrent protection p. 205
OC2 Short-circuit protection p. 205
OC3 Ground fault protection p. 205
EF Zero-phase current detection p. 205
OU1 Overvoltage protection p. 205
OU2 Overvoltage protection p. 205
OU3 Overvoltage protection p. 205
LU Undervoltage protection p. 205
OPL Output phase loss protection p. 206
OH1 Overheat protection p. 206
OLL Overload protection p. 206
OH2 External alarm input p. 206
FL5 Blown fuse p. 206
PbF Abnormal condition in charger circuit p. 206
OL1 Electronic thermal overheater simulator p. 206

Error codes from p. 207

CodeWhat it meansPage
E-1 Memory error detection p. 207
E-2 Keypad communications error detection p. 207
E-3 CPU error detection p. 207
E-4 Option communications error detection p. 207
E-5 Option error detection p. 207
E-6 Operation error detection p. 207
Er-5 Operation error detection p. 208
Er-7 Tuning error detection p. 208
Er-8 RS485 communications error detection p. 208
Er-F Data save error during undervoltage p. 208
Er-P RS485 communications error detection (optional) p. 208
Er-H LSI error detection (Power PCB) p. 208

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Fuji Electric. Found a mistake? Report an error.