Toshiba G9000 operation manual DC Unbalanced

Note 3					Note 1	Note 2
Code	Status message	Meaning	Guidance	Buzzer	External	Failure
indication					relay contact	lamp
UF109	DC UNBALANCED	Major unbalance of the neutral point voltage.	CALL SERVICE	Continuous	Major	Lit on
			ENGINEER	sound
UF110	ZERO PHASE	Detection of converter zero-sequence	CALL SERVICE	Continuous	Major	Lit on
	OVERCURRENT	overcurrent.	ENGINEER	sound
UF111	UPS CONTROL	Battery current unbalance.	CALL SERVICE	Continuous	Major	Lit on
	CIRCUIT ERROR		ENGINEER	sound
UF112	DC CIRCUIT	Sudden change of the DC voltage level.	CALL SERVICE	Continuousso	Major	Lit on
	ABNORMAL		ENGINEER	und
UF119	DC GROUND	Detection of DC ground fault UF159 exceeds	CALL SERVICE	Continuous	Major	Lit on
	FAULT	10 seconds. UPS transfers to bypass.	ENGINEER	sound
	CONTROL POWER	Power supply voltage to IGBT driver PCB is	CALL SERVICE	Continuous
UF128	SUPPLY				Major	Lit on
		below the specified level.	ENGINEER	sound
	ABNORMAL
UF151	DC VOLTAGE	24 hours after input power restoration,	CALL SERVICE	Intermittent	Minor	Flicker
	ABNORMAL	batteries does not reach float voltage level.	ENGINEER	sound
UF152	DC VOLTAGE	Unable to equalize the voltage of various	CALL SERVICE	Intermittent	Minor	Flicker
	ABNORMAL	batteries after 24 hours.	ENGINEER	sound
UF154	CB2 ABNORMAL	During UVR, status signal from CB2 is ON.	CALL SERVICE	Intermittent	Minor	Flicker
			ENGINEER	sound
	CHG.STOPPED			Intermittent	Minor
UF156	(BATTERY	UF157 failure persisted for over 2 hours.	CHECK BATTERY		Battery	Flicker
				sound
	OVERTEMP.)				abnormal
	BATTERY	Detection of overtemperature at the		Intermittent	Minor
UF157	OVERTEMPERATU		CHECK BATTERY		Battery	Flicker
		batteries.		sound
	RE				abnormal
	BATTERY LIQUID			Intermittent	Minor
UF158		Low level of battery electrolyte solution.	CHECK BATTERY		Battery	Flicker
	LOW			sound
					abnormal
UF159	DC GROUND	Detection of DC ground fault. Chopper	CALL SERVICE	Intermittent	Minor	Flicker
	FAULT	operation is stopped.	ENGINEER	sound
UF160	UPS CONTROL	Abnormal behavior of DC current sensor.	CALL SERVICE	Intermittent	Minor	Flicker
	CIRCUIT ERROR		ENGINEER	sound
UF161	CHG.STOPPED(DC	UF151 failure is running for over 24 hours.	CALL SERVICE	Intermittent	Minor	Flicker
	VOLT. ABNORMAL)		ENGINEER	sound
UF162	BATTERY	Failure detection based on battery	CALL SERVICE	Intermittent	Minor	Flicker
	ABNORMAL	self-check.	ENGINEER	sound
	BATTERY		CALL SERVICE	Intermittent
UF163	VOLTAGE	Battery voltage is abnormal.			Minor	Flicker
			ENGINEER	sound
	ABNORMAL
	VDB SENSOR	Detection of a large variation of the	CALL SERVICE	Intermittent
UF170		difference between control-only and			Minor	Flicker
	ABNORMAL		ENGINEER	sound
		protection-only battery voltage.
UF171	UPS CONTROL	Poor shared current in parallel chopper	CALL SERVICE	Intermittent	Minor	Flicker
	CIRCUIT ERROR	circuit; or improper charging current.	ENGINEER	sound
UF172	CHG. STOPPED	Energy storage device error.	CALL SERVICE	Intermittent	Minor	Flicker
	(DEVICE STATUS)		ENGINEER	sound

G9000 Installation and Operation Manual 79