Mitsubishi Troubleshooting UF809, UA810, UA814 in 2033D Series UPS

MITSUBISHI			2033D SERIES UPS	Page Number:
ELECTRIC		OWNERS / TECHNICAL MANUAL			6-4
(Note 9)					(Note 1)	(Note 2)	(Note 3)
Code	Status message		Contents	Guidance	Buzzer	External	Failure
indication						send-out	lamp
						contact
	INVERTER OVERLOAD			WARNING:
UA806			Overload exceeded 105% (Note 7)	DECREASE	[2]	Alarm	-
	> 100%
				LOAD
	INVERTER OVERLOAD			WARNING:
UA809			Overload exceeded 150% (Note 7)	DECREASE	[2]	Alarm	-
	> 150%
				LOAD
			Instantaneous overload. (Output	WARNING:
UA810	INVERTER OVERLOAD			DECREASE	[2]	Alarm	-
			voltage -30% for 2ms)
				LOAD
UA812	BYPASS VOLTAGE OUT		Bypass voltage fell out of +/- 12%	CHECK BYPASS	[3]	Alarm	-
	OF RANGE		range	INPUT
UA813	BYPASS PHASE		Phase rotation is inverted when bypass	CHECK BYPASS	[2]	Alarm	-
	ROTATION ERROR		voltage is normal	INPUT
UA814	BYPASS FREQUENCY		Bypass frequency fell out of inverter	CHECK BYPASS	[3]	Alarm	-
	OUT OF RANGE		synchronization follow-up range	INPUT
UA817	EMERGENCY STOP		Emergency stop applied	-	-	Alarm	-
	ACTIVATED
UA832	ASYNCHRONOUS		Asynchronous transfer occurred	-	[2]	Alarm	-
	TRANSFER
UA834	BATTERY DEPLETED		DC voltage dropped below discharge	-	-	Alarm	-
	AC OUT STOPPED		end during inverter operation
UA835	BATTERY DEPLETED		Restart after battery depleted	-	-	Alarm	-
	AND RESTART
			Total of more than 110% load during	WARNING:
UA852	INVERTER OVERLOAD			DECEASE	[2]	Alarm	-
			MMS operation.
				LOAD
	RETRY START		Continuous bypass voltage abnormal,
UA853			inverter stop, and 72B closed for 1 min.		[2]	Alarm	-
	OPERATION
			will stop the UPS. (Fan stop)

MITSUBISHI ELECTRIC 2033D SERIES UPS