Mitsubishi Electric FR-A700 Instruction Manual page 721

Troubleshooting
Operation Panel Indication
Major failures
Tab. 7-1: List of alarm display (2)
If one of the errors "E.ILF, E.PTC, E.PE2, E.CDO" occurs when using the operation unit FR-
PU04, "Fault 14" will be displayed.
FR-A700 EC
E.ILF
E.OLT
E.GF
E.LF
E.OHT
E.PTC
E.OPT
E.OP3
to E. 1
E.PE
E.PE2
E.PUE
E.RET
E. 6
E. 7
E.CPU
E.CTE
to E.MB1 to E.MB7
E.OS
E.OSD
E.ECT
E.OD
E.EP
E.P24
E.CDO
Name
Input phase failure
Stall prevention
Output side earth (ground) fault over current
protection
Output phase failure protection
External thermal relay operation
PTC thermistor operation
Error related to the connection of a (external)
option
Error of the internal (extension slot) installed
option (e.g. communication error)
Error of the internal (extension slot) installed
option (e.g. connection or contact fault respec-
tively)
Parameter storage device alarm
Parameter storage device alarm
PU disconnection
Retry count excess
CPU error
Operation panel power supply short circuit
RS-485 terminal power supply short circuit
Brake sequence error
Overspeed occurence
Speed deviation excess detection
Signal loss detection
Excessive position error
Encoder phase error
24V DC power output short circuit
Output current detection value exceeded
List of alarm display
Refer to
Page
7-15
7-15
7-15
7-15
7-16
7-16
7-16
7-17
7-17
7-17
7-18
7-18
7-18
7-18
7-19
7-19
7-19
7-19
7-20
7-20
7-20
7-20
7-21
7 - 3