Error Codes for FR-E500
The FR-E500 series refers to a range of Mitsubishi Electric frequency inverters (or variable frequency drives). These devices are commonly used for controlling the speed of electric motors in various applications. When troubleshooting or dealing with maintenance of these inverters, understanding their error codes is crucial. Here's a guide to some of the common error codes you might encounter with the FR-E500 series inverters.
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List of FR-E500 Error Codes
Model: INVERTER
| Error Code | Error |
| E.r Hn | MOTOR OVER CURRENT OVER HEAT |
| E.r Hr | MOTOR CURRENT MORE THAN 150 PERCENT OF RATED OUTPUT CHECK INVERTER PARAMETERS, COMMON FAULT CODE PARTIAL BLOCKAGE OF DRAIN !! COMMON FAULT |
| E.FI n | INVERTER OVER HEAT (HEAT SINK) CHECK LINT BUILD UP AND COOLING FAN |
| E. bE | BREAK TRANSISTOR ALARM (ONLY WHEN FITTED WITH BREAK RESISTOR) |
| E. CF | EARTH FAULT ON LOAD SIDE (MOTOR) |
| E. 0Hr | OPEN CIRCUIT ON MOTOR THERMALS OR THERMAL RELAY |
| E. 0Lr | RUNNING FREQUENCY HAS FALLEN TO ZERO. STALL PREVENTION ACTIVATED CHECK MOTOR OVERLOAD. REDUCE LOAD WEIGHT. |
| E.0Pr | STOPS THE INVERTER OUTPUT. FUNCTION FAULT. COMMUNICATION ERROR. CHECK CABLES. |
| E. PE | PARAMETER STORAGE DEVICE ALARM. FAULT OCCURRED IN PARAMETERS |
| E. PUE | PARAMETER UNIT DISCONNECTION |
| E.r Er | RETRY COUNT EXCEEDED. FIND CAUSE OF ALARM OCCURENCE. |
| E.CPU | CPU ERROR. BUILT IN CPU DOES NOT END IN A PREDETERMINED PERIOD. |
| E. 3 | OPTION FAULT. CHECK PARAMETERS. COMMUNICATION PROBLEM. |
| E. 6 | CPU ERROR IN BUILT IN CPU. COMMUNICATION ERROR |
| E. 7 | CPU ERROR IN BUILT IN CPU. COMMUNICATION ERROR |
| E.LF | OUTPUT PHASE PROTECTION. OPEN CIRCUIT ON PHASE U.V.W LOAD SIDE |
| F n | FAN FAULT. INVERTER COOLING FAN FAULT. ALSO CHECK PARAMETER P244 |
| 0L | STALL PREVENTION OVERCURRENT (IF A CURRENT OF MORE THAN 150% FLOWS). CHECK PARAMETER PR22. DEFAULT = 150%. TURN OFF OPTION PR156 |
| O L | STALL PREVENTION OVER VOLTAGE. EXCEEDED BRAKE CAPABILITIES. MOTOR (CHECK INVERTER BOOKLET FOR A MORE COMPREHENSIVE LIST) |
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