Fuji MEH652 Error Codes

44 codes from pages 18–20 of the manual

This is the list of error codes the Fuji manual gives for the MEH652 inverter. Find your code below and open it for what the manual says about its causes and what to do.

Error codes from p. 18

CodeWhat it meansPage
OC1 During acceleration p. 18
OC2 During deceleration p. 18
OC3 During constant speed operation p. 18
OU1 During acceleration p. 18
OU2 During deceleration p. 18
OU3 During constant speed operation p. 18
LU F14: 3, 4 or 5 is selected; an alarm is not issued even upon a voltage drop in the DC link circuit. p. 18
OPL Output phase loss protection p. 18
OH1 Overheating protection p. 18
OLU Overload protection p. 18
OH2 External alarm input p. 18
OL1 Electronic thermal p. 18
OL2 Electronic thermal p. 18
OH4 PTC thermistor p. 18
E34 Overload early warning p. 18
E35 Overload early warning p. 18
H12 Stall prevention p. 18
E20 Alarm relay output (for any fault) p. 18
E21 Alarm relay output (for any fault) p. 18
E27 Alarm relay output (for any fault) p. 18
E01 Alarm relay output (for any fault) p. 18
E02 Alarm relay output (for any fault) p. 18
E03 Alarm relay output (for any fault) p. 18
E04 Alarm relay output (for any fault) p. 18
E05 Alarm relay output (for any fault) p. 18
E98 Alarm relay output (for any fault) p. 18
E99 Alarm relay output (for any fault) p. 18
Er1 Memory error p. 18
Er2 Keypad communication error p. 18
Er3 CPU error p. 18
Er4 Option error p. 18
Er5 Operation error p. 18
Er6 Operation error p. 18
Er7 Tuning error p. 18
Er8 RS-485 communication error p. 18
ErF Data save error (Underload) p. 18
ErP RS-485 communication error (optional) p. 18
H04 Retry p. 18
H05 Retry p. 18
E65 Surge protection p. 18
PG PG disconnection p. 18
H70 Overload avoidance control p. 18
Er-H Hardware error p. 18
Err Simulation error p. 18

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