Hitachi L100 IP Series, Инструкция по эксплуатации

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Chapter 9 – Messages
9-1
Chapter 9 – Messages
Trip messages
L100IP series inverters will trip on overcurrent, overvoltage and undervoltage to protect the inverter.The
output is shut down and the motor runs free. This condition is held until the trip state is reset using the
RESET key or the RS input.
Type of trip Description Trip display
Overcurrent
protection
When the output of the inverter is short circuited, the
motor is locked, or a heavy load is suddenly applied,
and the inverter output current exceeds a pre-
determined level, the inverter is shut off.
During constant
speed:
E 0 01
At decele-
ration:
E 0 02
At accele-
ration:
E 0 03
at the others:
E 0 04
Overload
protection
When a motor overload is detected by the electronic
thermal function, the inverter is shut off.
E 0 05
Overvoltage
protection
When the inverter DC bus voltage exceeds a
predetermined level due to regenerative energy from the
motor, this trip occurs and the inverter is shut off.
E 0 07
EEPROM error
( Note )
When the inverter memory has a problem due to noise or
excessive temperature rise, this trip occurs and the
inverter is shut off.
E 0 08
Undervoltage
protection
A decrease of DC bus voltage may result in improper
function of the control unit. It may also cause motor
heating and low torque. The inverter is shut off when the
DC bus voltage goes below a certain level.
E 0 09
CPU error
Malfunction or abnormality of the CPU. The inverter is
shut off.
E 0 11
E 0 22
External trip
A trip signal from external equipment shuts off the
inverter. It is necessary to assign the external trip to an
intelligent terminal.
E 0 12
USP error
Indicates an error when power is turned on while the
inverter run is enabled (when USP function is selected).
E 0 13
Ground fault
protection
The inverter is protected by detection of ground faults
between the drive output and the motor at power on.
Protection is for the inverter only and not for humans.
E 0 14
Input overvoltage
When the input voltage is higher than a specified value, it
is detected and 100 seconds after power is turned on, the
inverter is shut off.
E 0 15
Thermal protection
When the temperature of the inverter module is beyond
specification, the thermal sensor in the inverter module
detects the temperature and the inverter is shut off.
E 0 21
PTC error
When the resistance value of the external thermistor is too
large, the equipment detects the abnormal condition of the
thermistor and then shuts off the inverter (when PTC
function is selected).
E 0 35
Note : If an EEPROM error occurs, be sure to observe ist value. If power is turned off while the RS input
terminal is held ON, the EEPROM error occurs when power is turned back on.