Alarms & Warning Messages | APC AXFA11G instruction

6. PARAMETER DESCRIPTION

6.5.3Alarms & Warning Messages

System Alarms (Device breakdown or inability to obtain correct measurements.)
Display unit/BRAIN	Alarm countermeasure	Alarm description	Countermeasure
(60) content	message on display unit	Alarm description	Countermeasure
(60) content	message on display unit
10:uP Fault	Contact nearest office or	Microprocessor (CPU) failure
10:uP Fault	service center	Microprocessor (CPU) failure
	service center
11:EEPROM Fault	Contact nearest office or	EEPROM failure
11:EEPROM Fault	service center	EEPROM failure
	service center
12:A/D(H) Fault	Contact nearest office or		Contact your nearest Yokogawa office or
12:A/D(H) Fault	service center		service center.
	service center		service center.
13:A/D(L) Fault	Contact nearest office or	A/D converter failure
13:A/D(L) Fault	service center	A/D converter failure
	service center
14:A/D(Z) Fault	Contact nearest office or
14:A/D(Z) Fault	service center
	service center
	Cut the power and check coil		Turn off the AXFA11 power supply and
15:Coil Open	Cut the power and check coil	Flowtube coil is open-circuit	examine the excitation cable for breakage.
	& EX cable		If there is no breakage, contact your nearest
			Yokogawa office or service center.
16:EEPROM Dflt	Contact nearest office or	EEPROM default values	Contact your nearest Yokogawa office or
16:EEPROM Dflt	service center	EEPROM default values	service center.
	service center		service center.
			T0651.EPS

Process Alarms (Device is normal but process-related errors make correct measurement impossible.)
Display unit/BRAIN	Alarm countermeasure	Alarm description	Countermeasure
(60) content	message on display unit	Alarm description	Countermeasure
(60) content	message on display unit
			Carry out an investigation as follows:
			• Check the signal cable for breakage.
30:Sig Overflow	Check signal cable	Input signal error	• Check for contact between signal cable,
30:Sig Overflow	and grounding	Input signal error	power cable, and excitation cable.
	and grounding		power cable, and excitation cable.
			• Check for stray currents in the fluid.
			• Check the grounding.

31:Empty Pipe	Fill flow tube with	Flowtube is not filled with	Fill the flowtube with fluid.
31:Empty Pipe	fluid	fluid	Fill the flowtube with fluid.
	fluid	fluid

	Check the flow rate and	Flow rate alarm for greater	Check the flow rate and setting value of
32:HH/LL Alm	Check the flow rate and	than High-High limit value	Check the flow rate and setting value of
32:HH/LL Alm	setting value	or less than Low-Low limit	High High limit and Low Low limit.
	setting value	or less than Low-Low limit	High High limit and Low Low limit.
		value.

33:Adhesion Alm	Clean electrodes	Electrode adhesion alarm	Clean the electrodes.

T0652.EPS

6-38	IM 01E20C01-01E