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12 Troubleshooting
High-function General-purpose Inverter RX2 Series User’s Manual
12-2 Error No. and Its Measure
12
12-2-1 Error No. Table
12-2 Error No. and Its Measure
You need to take a measure according to the error number and the type of error.
Refer to the explanation pages shown in the table below.
12-2-1 Error No. Table
Error No. Error Name
Explanation
Page
E001 Overcurrent error P. 12-7
E005
Motor overload error
*2
P. 12-8
E006 Braking resistor overload error P. 12-9
E007 Overvoltage error P. 12-10
E008 Memory error P. 12-10
E009 Undervoltage error P. 12-11
E010
Current detector error
*1
*1. When a serious fault error occurred, it cannot be released by a reset operation.
P. 12-11
E011
CPU error
*1
P. 12-11
E012 External trip error P. 12-12
E013 USP error P. 12-12
E014
Ground fault error
*1
P. 12-12
E015 Incoming overvoltage error P. 12-13
E016 Instantaneous power failure error P. 12-13
E019
Temperature detector error
*1
P. 12-13
E020
Cooling fan rotation speed reduction temperature error
*1
P. 12-14
E021 Temperature error P. 12-14
E024 Input open-phase error P. 12-14
E030 IGBT error P. 12-15
E034 Output open-phase error P. 12-15
E035 Thermistor error P. 12-16
E036 Brake error P. 12-16
E038 Low-speed range overload error P. 12-16
E039
Controller overload error
*2
*2. When a controller overload error occurred, or a motor overload error occurred in the condition that [bC112] had
been set to 00, the inverter does not accept a reset input for 10 seconds. Wait for a while before performing a
reset operation.
P. 12-17
E040 Operator keypad disconnection error P. 12-17
E041 RS485 communication error P. 12-18
E042 RTC error P. 12-18
E043 EzSQ illegal instruction error P. 12-18
E044 EzSQ nest count error P. 12-18
E045 Executive instruction error P. 12-19
E050 EzSQ user-assigned error 0 P. 12-19
E051 EzSQ user-assigned error 1 P. 12-19
E052 EzSQ user-assigned error 2 P. 12-19
E053 EzSQ user-assigned error 3 P. 12-19
E054 EzSQ user-assigned error 4 P. 12-19
E055 EzSQ user-assigned error 5 P. 12-19
E056 EzSQ user-assigned error 6 P. 12-19
E057 EzSQ user-assigned error 7 P. 12-19
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