Error Codes - Hitachi SJ200 Series Quick Reference Manual

Error Codes

The SJ200 series inverters will trip on over-current, over-voltage, and
under-voltage to protect the inverter. The motor output turns OFF, allow-
ing the motor to free-run to a stop. Press the Stop/Reset key to reset the
inverter and clear the error.
Basic Error Codes
Error
Code
E01
Over current event while at
constant speed
E02
Over current event during
deceleration
E03
Over current event during
acceleration
E04
Over current event for other
conditions
E05
Overload protection
E06
Braking resistor overload
E07
Over voltage protection
E08
EEPROM error
E09
Under-voltage error
E11
CPU error
E22
E12
External trip
E13
USP (Unattended Start
Protection)
E14
Ground fault
E15
Input over-voltage
E21
Inverter thermal trip
Name Probable Cause(s)
• Inverter output was short-circuited
• Motor shaft is locked
• Load is too heavy
• A dual-voltage motor is wired
incorrectly
Note: The SJ200 will over current trip at
nominally 200% of rated current
• DC braking power(A054) set too high
• Current transformer / noise error
• Motor overload is detected by the
electronic thermal function
• Regenerative braking resistor exceeds
the usage time or usage ratio
• DC bus voltage exceeds a threshold,
due to regenerative energy from motor
• Built-in EEPROM memory experi-
enced noise, high temperature, etc.
• DC bus voltage decreased enough to
cause a control circuit fault
• Built-in CPU had internal error
• [EXT] input signal detected
• When (USP) was enabled, an error
occurred when power was applied while
a Run signal was present
• A ground fault was detected between
the inverter output and the motor. This
feature protects the inverter, and does not
protect humans.
• Input voltage was higher than specified
value, after 60 sec. in Stop Mode
• Inverter internal temperature is above
the threshold
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