Monitoring Trip Events, History, & Conditions

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Monitoring Trip Events, History, & Conditions

Fault Detection and Clearing

The microprocessor in the inverter detects a variety

of fault conditions and captures the event,		STOP
of fault conditions and captures the event,	Run	RESET	Stop
recording it in a history table. The inverter output	Run	RUN	Stop
recording it in a history table. The inverter output		RUN
turns OFF, or “trips” similar to the way a circuit			STOP
breaker trips due to an over-current condition.			STOP
breaker trips due to an over-current condition.			RESET
Most faults occur when the motor is running (refer		Trip
to the diagram to the right). However, the inverter	Fault	Trip	Fault
could have an internal fault and trip in Stop Mode.

In either case, you can clear the fault by pressing the Stop/Reset key. Additionally, you can clear the inverter’s cumulative trip history by performing the procedure “Restoring Factory Default Settings” on page 6–8(setting B084=00 will clear the trip history but leave inverter settings intact).

Error Codes

An error code will appear on the display automatically when a fault causes the inverter to trip. The following table lists the cause associated with the error.

Error	Name	Cause(s)
Code	Name	Cause(s)
Code
E 01	Over-current event while at	The inverter output was short-circuited, or the
E 02	constant speed	motor shaft is locked or has a heavy load. These
E 02	Over-current event during	conditions cause excessive current for the inverter,
	deceleration	so the inverter output is turned OFF.
E 03	Over-current event during	The dual-voltage motor is wired incorrectly.
E 04	acceleration
E 04	Over-current event during
E 05	other conditions
E 05	Overload protection	When a motor overload is detected by the electronic
		thermal function, the inverter trips and turns OFF
E 07		its output.
E 07	Over-voltage protection	When the DC bus voltage exceeds a threshold, due
E 08		to regenerative energy from the motor.
E 08	EEPROM error	When the built-in EEPROM memory has problems
		due to noise or excessive temperature, the inverter
E 09		trips and turns OFF its output to the motor.
E 09	Under-voltage error	A decrease of internal DC bus voltage below a
		threshold results in a control circuit fault. This
		condition can also generate excessive motor heat or
		cause low torque. The inverter trips and turns OFF
E 11		its output.
E 11	CPU error	A malfunction in the built-in CPU has occurred, so
		the inverter trips and turns OFF its output to the
E 12		motor.
E 12	External trip	A signal on an intelligent input terminal configured
		as EXT has occurred. The inverter trips and turns
		OFF the output to the motor.

Maintenance	Troubleshootingand
Maintenance	Troubleshooting
	and

CP-X200 specifications

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Hitachi CP-X200 Monitoring Trip Events, History, & Conditions, Fault Detection and Clearing

Models: CP-X200

Monitoring Trip Events, History, & Conditions

Fault Detection and Clearing

Error Codes

CP-X200 specifications