Nipro Surdial Trouble shooting manual

TROUBLE SHOOTING MANUAL

SINGLE PATIENT DIALYSIS MACHINE

Manufacturer NIPRO CORPORATION

3-9-3, Honjo-Nishi, Kita-Ku, OSAKA 531-8510, JAPAN

PHONE [phone] / FAX [phone]

Version No.

1.GENERAL DESCRIPTION

When TROUBLE is detected,

check symptom and condition and perform

TROUBLE SHOOTING

to check them for finding trouble cause to determine action to be taken.

Condition, check method, cause and action to be taken for each trouble are described in this Manual.

Perform check after reading Cautions for Safety thoroughly contained in Service Manual.

When power ON of SURDIAL is required to perform check, take care of electric shock.

↓

In accordance with procedure specified in

SERVICE MANUAL,

take action and check the result.

Construction drawings and adjusting procedures of each Assy and component, list of components and the like are contained in Service Manual.

2.ALARM/ERROR INDICATIONS AND DESCRIPTION

NO.	ALARM/ERROR INDICATION	NO.	ALARM/ERROR INDICATION
E01	RECOVER FROM EMERGENCY STOP	E41	VCa CLOSED CIRCUIT LEAK ERROR
E02	T1 TEMPERATURE SENSOR ERROR	E42	VCb CLOSED CIRCUIT LEAK ERROR
E03	T2 TEMPERATURE SENSOR ERROR	E43	VCb CLOSED CIRCUIT LEAK ERROR
E04	T3 TEMPERATURE SENSOR ERROR	E44	AIR ELIMINATION TANK ERROR
E05	DIALYSATE TEMPERATURE MAX ALARM	E45	BLOWN-OUT FUSE DETECTION
E06	DIALYSATE TEMPARATURE MIN ALARM	E46	WATCH-DOG ERROR
E07	DIALYSATE PRESSURE MAXLIMIT	E47	RAM ERROR
E08	DIALYSATE PRESSURE MINLIMIT	E48	EEPROM ERROR
E09	DAIALYSATE PRESSUREMAX ALARM	E49	EPROM ERROR
E10	DIALYSATE PRESSUREMIN ALARM	E50	RAM INITIALIZE
E11	VENOUS PRESSURE MAX LIMIT	E51	EEPROM INITIALIZE
E12	VENOUS PRESSURE MIN LIMIT	E52	SWITCH ERROR
E13	VENOUS PRESSURE MAX ALARM	E53	I/O PORT ERROR
E14	VENOUS PRESSURE MIN ALARM	E54	CONNECTION ERROR SBY0151-SBY0156
E15	ARTERIAL PRESSURE MAX LIMIT	E55	BP BATTERY ERROR
E16	ARTERIAL PRESSURE MIN LIMIT	E56	COUPLER SW ON ALARM(DIALYSIS)
E17	ARTERIAL PRESSURE MAX ALARM	E57	COUPLER SW ON ALARM(PREP.)
E18	ARTERIAL PRESSURE MIN ALARM	E58	COUPLER SW OFF ALARM
E19	TMP ALARM	E59	UF MAX ALARM
E20	DIALYSATE CONDUCTIVITY MAX ALARM	E60	SYRINGE INFUSION COMPLETION
E21	DIALYSATE CONDUCTIVITY MIN ALARM	E61	COMPLETION OF SYRINGE.P INFUSION
E22	BLOOD LEAK SENSOR ERROR	E62	PERFORMED PRIMING
E23	BLOOD LEAK ALARM	E63	PREFORMED TARGET UF.
E24	AIR BUBBLES ARE DETECTED	E64	NO WATER RINSING
E25	HEATER OVER HEAT ALARM	E65	PREPARE DIALYSATE CONC.
E26	SHORT WATER SUPPLY	E66	CONC CONNECTOR TO RINSING PORT.
E27	SHORT DIALYSATE FLOW	E67	RESET SW
E28	DIALYSATE FLOW STOP	E68	UF DIALYSE SW
E29	SN SWITCH TIME ALARM	E69	BYPASS SW
E30	BLOOD PUMP ERROR		ALARM/ERROR DESCRIPTION
E31	BLOOD PUMP STOP ERROR		Disabled LCD indication
E32	CLV POSITION ERROR		Disabled SW function
E33	VISCOUS PUMP DRIVING ERROR(VPa)		Disabled syringe pump operation
E34	VISCOUS PUMP DRIVING ERROR(VPb)		Blood pump error
E35	VP DRAWING VOLUME IS AT MAX LIM.		Level change in venous drip chamber
E36	VCa CLOSED CIRCUIT LEAK ERROR		Air inclusion in dialysate
E37	VCa CLOSED CIRCUIT LEAK ERROR		Unstable dialysate flow rate
E38	VCb CLOSED CIRCUIT LEAK ERROR		Disabled discharge by pressing drain SW
E39	VCb CLOSED CIRCUIT LEAK ERROR		UFR error exceeding allowable upper/lower limits
E40	VCa CLOSED CIRCUIT LEAK ERROR		Date and time are initialized.

PREFACE

Thank you for purchase of NIPRO Single Patient Dialysis Machine “SURDIAL”.

Information for serviceman or technician required to perform check and maintenance of SURDIAL is given by this Trouble Shooting Manual. All operations described in this Manual should be performed by only qualified serviceman or technician who should be familiar with replacement of components of microprocessor based electronic devices and should have basic knowledge concerning conventional dialysate line of dialysis machine. The serviceman or technician should be familiar with all operations contained in this Manual by reading it thoroughly to full understand them before starting trouble shooting.

Use this Manual together with Operation and Service Manuals of SURDIAL. Same descriptions contained in them are minimal.

Generally, information required to operate SURDIAL is contained in Operation Manual of SURDIAL though technical description is also contained partially. Information related to maintenance, component replacement and various settings is contained in Service Manual of SURDIAL. In this Manual, information related to method of trouble shooting is contained.

Description concerning the trouble shooting contained in this Manual is protected by copyright owned by the manufacturer. Partial or whole copy, duplication or preparation of version in any foreign language of this Manual should not be allowed without obtaining prior written approval of the manufacturer.

E01 RECOVER FROM EMERGENCY STOP

Detection

Recovery to normal from emergency machine stop due to power failure caused during execution of sequence

Detection

Audible

Dialysate line function

BP/SP stop

CLV function

Reset

process

alarm

Rinse

○ (3 times)

Execution of sequence

before

―

―

―

Preparation

error detection

Prep. end

Dialysis

Recovery

Becoming error free of upper/lower alarm limits of

Reset

Automatic recovery to normal

Note

venous, arterial and dialysate pressures by error

detection

	Conditionor cause	Check and action
	Recovery from power failure	Not required
	Intentional OFF-ON of power breaker	Not required
	Intentional OFF-ON of power SW	Not required
		Check Identify position(s) of leakage or short-circuit of AC230V
		(AC110V) line.
		Disconnect components one by one from the line to identify
	OFF of breaker due to leakage or short	damaged one(s) by testing or operate components in the line
		one by one manually to do so.
	circuit of AC230V (AC110V) line
		Check correct earth connection of SURDIAL and disconnect
		components after disconnecting power plug from receptacle.
		Action: Repair or replace damaged one(s).
	Incorrect power plug connection	Action: Connect the plug to receptacle securely.
		Check: Pull lightly each of harnesses connecting POWER PLUG
		SWITCH GEAR TERMINAL BLOCK2 POWER SWITCH
		NOISE FILTER TERMINAL BLOCK1 POWER SUPPLY
		SUB-BOARD CN412 SUB-BOARD CN413 MAIN BOARD
	Incorrect power line connection	CN1 in series to check loosening, incorrect contact and
		disconnection.
		Action If the loosening is detected, tighten securely. If the incorrect
		contact and/or disconnection are/is detected, replace relevant
		harness(es) with new one(s).

	Conditionor cause			Check and action
		Check: Identify	whether	error	cause(s)	is (are)	main board,
		sub-board and/or DC+5V/±12V switching power supply.
		Check that	actual	output	voltage is	4.8V	(nominal: 5VDC)
		when measured at test points on main and sub-board.
		Action
	Repetition of error of recovery from	When 4.8V is not outputted to the main board and sub-board:
		Replace sub-board with new one or the switching power
	emergency stop
		supply with new one.
		When it is outputted to sub-board, while it is not outputted to
		main board:
		Replace main board with new one.
		When it is outputted to the main board and sub-board:
		Replace main board with new one.

E02 T1 TEMPERATURE SENSOR ERROR

Detection			T1 temperature exceeding measurable limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Rinse wait				○ (7 times)	Continuance			―	―	○
Rinse				↑	↑
Rinse end				↑	↑
Air purge				↑	↑
Dialysis				○ (Continuous)	↑
wait				↑	Dialysate line stop
Preparation				↑	↑
Prep. end				↑	↑
Dialysis				↑	↑
Recovery
Rese	Press [RESET] SW.					Note
t

	Condition or cause		Check and action
			Check: Check whether indications of all temperature sensors and other
			sensors such as dialysate pressure sensor are incorrect.
Indication error of temperature and			Check stable output of voltage of 4.9V (nominal: 5Vref) at test
other analog system			point on main board.
			Action: Replace main board with new one.
			Check: Check no incorrect wiring, loosening, corrosion and/or
			disconnection at TM1 T1 terminal of main board.
Incorrect [ ] terminal connection			Action: If loosened, tighten securely.
			If incorrectly wired, correct.
			If corroded or disconnected, replace [T1] with new one.
			Check: Remove TM1 T1 terminal from main board	and measure
Internal disconnection or		short circuit	resistance between Red and White to find	short circuit,
			disconnection and fluctuation.
of [T1]
			Action: Replace [T1] with new one.
Introduction of high temperature water			Action: Overhaul dialysate line to correct potential damage.
from water supply source
			Action: Calibrate temperatures indicated by [T1], [T2] and [T3] circuits
Incorrect	indicated	temperature	of main board using temperature calibrator.
calibration of main board			If the calibration is impossible, replace main board with new
			one.

E03 T2 TEMPERATURE SENSOR ERROR

Detection			T2 temperature exceeding measurable limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Rinse wait				○ (7 times)	Continuance			―	―	○
Rinse				↑	↑
Rinse end				↑	↑
Air purge				↑	↑
Dialysis				○ (Continuous)	↑
wait				↑	Dialysate line stop
Preparation				↑	↑
Prep. end				↑	↑
Dialysis				↑	↑
Recovery
Rese	Press [RESET] SW.					Note		After Ver 3, measurable extent of upper limit while
t								rinse isn’t detectable.

	Condition or cause		Check and action
			Check: Check whether indications of all temperature sensors and other
			sensors such as dialysate pressure sensor are incorrect.
Indication error of temperature and			Check stable output of voltage of 4.9V (nominal: 5Vref) at test
other analog system			point on main board.
			Action: Replace main board with new one.
			Check: Check no incorrect wiring, loosening, corrosion and/or
			disconnection at TM1 T2 terminal of main board.
Incorrect [ 2] terminal connection			Action: If loosened, tighten securely.
			If incorrectly wired, correct.
			If corroded or disconnected, replace [T2] with new one
			Check: Remove TM1 T2 terminal from main board	and measure
Internal disconnection or		short circuit	resistance between Red and White to find	short circuit,
			disconnection and fluctuation.
of [T2]
			Action: Replace [T2] with new one.
			Action: Calibrate temperatures indicated by [T1], [T2] and [T3] circuits
Incorrect	indicated	temperature	of main board using temperature calibrator.
calibration of main board			If the calibration is impossible, replace main board with new
			one.

E04 T3 TEMPERATURE SENSOR ERROR

Detection				T3 temperature exceeding measurable limit
Detection					Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process					alarm
Rinse wait					○ (7 times)	Continuance			―	―	○
Rinse					↑	↑
Rinse end					↑	↑
Air purge					↑	↑
Dialysis					○ (Continuous)	↑
wait					↑	Dialysate line stop
Preparation					↑	↑
Prep. end					↑	↑
Dialysis					↑	↑
Recovery
Reset		Press [RESET] SW.					Note

	Condition or cause		Check and action
			Check: Check whether indications of all temperature sensors and other
			sensors such as dialysate pressure sensor are incorrect.
Indication error of temperature and			Check stable output of voltage of 4.9V (nominal: 5Vref) at test
other analog system			point on main board.
			Action: Replace main board with new one.
			Check: Check no incorrect wiring, loosening, corrosion and/or
			disconnection at TM1 T3 terminal of main board.
Incorrect [ 3] terminal connection			Action: If loosened, tighten securely.
			If incorrectly wired, correct.
			If corroded or disconnected, replace [T2] with new one
			Check: Remove TM1 T3 terminal from main board	and measure
Internal disconnection or		short circuit	resistance between Red and White to find	short circuit,
			disconnection and fluctuation.
of [T3]
			Action: Replace [T3] with new one.
			Action: Calibrate temperatures indicated by [T1], [T2] and [T3] circuits
Incorrect	indicated	temperature	of main board using temperature calibrator.
calibration of main board			If the calibration is impossible, replace main board with new
			one.

E05 DIALYSATE TEMPERATURE MAX ALARM

Detection			Dialysate temperature T3 of upper alarm limit during heater ON
Detection					Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process					alarm
Preparation					○ (Continuous)	Auto bypass			―	―	○
Prep. end						Heater OFF
Dialysis
Recovery
		Press [RESET] SW to reset.
Reset		Auto			reset is caused after release from alarm		Note
		condition for 10 seconds.

	Condition or cause	Check and action
	Actually higher dialysate temperature	Check: Check whether actual dialysate temperature is higher than
		upper alarm limit by touching dialysate supply line with hand
		when the line is connected to dialyzer or by measurement of
		temperature of dialysate discharged from coupler outlet using
		thermometer when patient is not connected to the machine.
	○Failure of main board	Action: Replace main board with new one.

○Incorrect calibration of indicated

Action: Calibrate temperatures indicated by [T1], [T2] and [T3] circuits

temperature of main board

of main board using temperature calibrator.

If the calibration is impossible, replace main board with new one.

○Higher supply water temperature

Action: Adjust supply water temperature as specified.When heat exchanger is used : 5 to 30When heat exchanger is not used 17 to 30

○Lower priming flow rate

Action: Adjust priming flow rate to 700 to 750mL/min.

Actually	acceptable	dialysate	Check: Check whether actual dialysate temperature is acceptable by
temperature			touching dialysate supply line with hand when the line is
			connected to dialyzer or by measurement of temperature of
			dialysate discharged from coupler outlet using thermometer
			when patient is not connected to the machine.
			Check: Check whether indicated temperature is fluctuated when
○Failure of T3 temperature sensor			harness of T3 temperature sensor is shaken.
			Check also whether indicated T3 temperature is deviated when
			temperature calibrator is connected.
			Action: If check result is unacceptable, replace T3 temperature sensor
			with new one.
			Check: Check whether indicated T3 temperature is deviated when
○Incorrect calibration of main board			temperature calibrator is connected.
			Action: Calibrate [T3] circuit of main board using temperature
			calibrator.
			If the calibration is impossible, replace main board with new
			one.

E06 DIALYSATE TEMPERATURE MIN ALARM

Detection			Dialysate temperature T3 of lower alarm limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Dialysis				○ (3 times)	Auto bypass			―	―	○
		Press [RESET] SW to reset.
Reset		Auto reset is caused			after release from alarm	Note
		condition for 10 seconds.

Condition or cause

Check and action

Actually lower dialysate temperature

○Failure of main board

○Incorrect calibration of indicated temperature of main board

○Lower supply water temperature

○Failure of heater

○ Higher priming flow rate

Actually acceptable dialysate temperature

○ Failure of T3 temperature sensor

○ Incorrect calibration of main board

Check: Check whether actual dialysate temperature is lower than lower alarm limit by touching dialysate supply line with hand when the line is connected to dialyzer or by measurement of temperature of dialysate discharged from coupler outlet using thermometer when patient is not connected to the machine.

Action: Replace main board with new one.

Action: Calibrate temperatures indicated by [T1], [T2] and [T3] circuits of main board using temperature calibrator.

If the calibration is impossible, replace main board with new one.

Action: Adjust supply water temperature as specified.When heat exchanger is used : 5 to 30When heat exchanger is not used 17 to 30

Check: Measure resistance between both ends of heater at room temperature after power OFF.

Action: Replace heater if the resistance is out of the below ranges: 230V spec. 38.3 to 44.1Ω

110V spec. 8.7 to 10.0Ω

Action: Adjust priming flow rate to 700 to 750ml/min.

Check: Check whether actual dialysate temperature is acceptable by touching dialysate supply line with hand when the line is connected to dialyzer or by measurement of temperature of dialysate discharged from coupler outlet using thermometer when patient is not connected to the machine.

Check: Check whether indicated temperature is fluctuated when harness of T3 temperature sensor is shaken.

Check also whether indicated T3 temperature is deviated when temperature calibrator is connected.

Action: If check result is unacceptable, replace T3 temperature sensor with new one.

Check: Check whether indicated T3 temperature is deviated when temperature calibrator is connected.

Action: Calibrate [T3] circuit of main board using temperature calibrator.

If the calibration is impossible, replace main board with new one.

E07 DIALYSATE PRESSURE MAX LIMIT

Detection Dialysate pressure of +400mmHg

Detection		Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process		alarm
Rinse wait		○ (7 times)	UF stop			2 sec.	2 sec.	○
Rinse		↑	ON of V4 and V10 for 2 sec.
Rinse end		↑
Air purge		↑
Dialysis wait		○ (Continuous)
Preparation		↑
Prep. end		↑
Dialysis		↑
Recovery		↑
Reset	Auto reset of BP, SP and CLV			Note
	Press [RESET] SW to reset UF stop.

	Condition or cause	Check and action
	Pressure rise due to failure of [PR1]	Action: Adjustment of [PR1]
		In adjustment is impossible, repair or replace [PR1].
	Leak from [V10]	Action: Repair or replacement of [V10]
	Error occurrence at gas purge
	○Occlusion of [R2]	Action: Change [R2] so that dialysate pressure becomes 0 to
		100mmHg during gas purge.
	○Excess tightening of [PC2]	Action: Adjust [PC2] so that dialysate pressure becomes 0 to
		100mmHg during gas purge.
	○Impossible opening of [V4]	Check: Check whether [V4] functions when it is turned on or off in
		maintenance mode 4 screen.
		If not functions, remove connector from [V4] and check whether
		24V is outputted to the connector when [V4] is ON in
		maintenance mode 4 screen.

Action: If 24V is not outputted, replace main board with mew one.

If it is outputted, replace [V4] with mew one.

Pressure rise due to folding of blood

Action: Correct folding.

line

	Check: Disconnect hose from the sensor Assy to expose to
	atmosphere for checking whether indicated pressure is nearly
	0mmHg.
Failure of dialysate pressure sensor
board or the sensor	Action: If the indicated pressure is not nearly 0mmHg, calibrate the
	sensor board.
	If calibration is impossible, replace the board or sensor with new
	one.

E07 DIALYSATE PRESSURE MAX LIMIT

	Condition or cause	Check and action
	Disconnection of harness from the	Check: Pull lead wire (harness) lightly to check whether it is separated
		or loosened.
	sensor Assy or insufficient contact of
	connector of it	Action: Repair
	Drain tube is blocked.	Check Remove drain tube from drain port and check drain liquid is
		drained from port correctly or not.
	○No folding/kinking of Drain tube	Action Remove the trouble cause.
	○Drain tube tip is placed too higher	Action Drain tube tip must be placed above the machine floor by 0 to
	position.	60 cm.
	○Drain tube is too long.	Action Use tube of an inter diameter of 8 mm and a length of 2 m or
		shorter to connect to the port.

E08 DIALYSATE PRESSURE MIN LIMIT

Detection Dialysate pressure of -400mmHg

Detection		Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process		alarm
Rinse wait		○ (7 times)	UF stop			2 ses.	2 sec.	○
Rinse		↑	ON of V4 and V10 for 2 sec.
Rinse end		↑
Air purge		↑
Dialysis wait		○ (Continuous)
Preparation		↑
Prep. end		↑
Dialysis		↑
Recovery		↑
Reset	Auto reset of BP, SP and CLV			Note
	Press [RESET] SW to reset UF stop.

Condition or cause	Check and action
	Check: Check whether the line is folded or clamped by forceps
Occlusion of dialysate line to dialyzer	visually.
	Action: Correct folding or clamp.
Excess occlusion in dialyzer	Action: Replace dialyzer with new one.
	Check: Check stop of leak by clamping [V4] line with forceps.
Leak from [V4]	Action: Clean [V4] by rinsing after disassembling or replace it with new
	one.
Opening of [V4] due to malfunction of	Action: Clean air-elimination tank [AS2] by rinsing after disassembling
[FSW]	or replace it with new one.
	Action: Adjust pressure in closed line.
Occlusion of [RV2]	If adjustment is impossible, Clean [RV2] by rinsing after
	disassembling or replace it with new one.

Error occurrence during gas purge

○Failure of [V10] Check: Check whether [V10] functions when it is turned on or off in maintenance mode 4 screen.

If not functions, disconnect connector from [V10] and turn on it in maintenance mode 4 screen to check whether 24V is outputted to the connector.

Action: If 24V is not outputted, replace main board with new one.

If it is outputted, replace [V10] with new one.

Failure of dialysate pressure sensor board or the sensor

Disconnection of harness from the sensor Assy or insufficient contact of connector of it

Low water supply flow

No water supply

Low water supply pressure

Alarm while gaspurge

On the acid rince without an acid rince option.

Check: Disconnect hose from the sensor Assy to expose to atmosphere for checking whether indicated pressure is nearly 0mmHg.

Action: If the indicated pressure is not nearly 0mmHg, calibrate the sensor board.

If calibration is impossible, replace the board or sensor with new one.

Check: Pull lead wire (harness) lightly to check whether it is separated or loosened.

Action: Repair

Action Increase water supply flow rate more than 750 mL/min. Check/Action See E26 SHORT WATER SUPPLY. Check/Action See E26 SHORT WATER SUPPLY. Check/Action See E26 SHORT WATER SUPPLY. Check/Action See E26 SHORT WATER SUPPLY.

E09 DIALYSATE PRESSURE MAX ALARM

Detection Dialysate pressure of set upper alarm limit

Detection		Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process		alarm
Dialysis wait		○ (Continuous)	UF stop			2 sec.	2 sec.		○
Preparation			ON of V4 and V10 for 2 sec.
Prep. end
Dialysis
Recovery
Reset	Auto reset of BP, SP and CLV			Note		By the alarm actuation, upper/lower alarm limits of
	Press [RESET] SW to reset UF stop.					venous pressure become error free.

	Condition or cause	Check and action
	Simultaneous actuation of this alarm	Check: See E13 VENOUS PRESSURE MAX ALARM.
	with venous pressure max alarm	Action: See E13 VENOUS PRESSURE MAX ALARM.
	Dialysate pressure rise due to UF stop	Action: Remove cause of UF stop.
	Dialysate pressure rise due to failure of	Action: Adjust [PR1].
	[PR1]	If adjustment is impossible, repair [PR1] or replace it with new
		one.
	Leak from [V10]	Action: Repair [V10] or replace it with new one.
	Leak from [V5] and [V7]	Action: Repair [V5] and [V7] or replace them with new ones.

E10 DIALYSATE PRESSURE MIN ALARM

Detection		Dialysate pressure of set lower alarm limit
Detection			Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process			alarm
Dialysis wait			○ (Continuous)	UF stop			2 sec.	2 sec.		○
Preparation				ON of V4 and V10 for 2 sec.
Prep. end
Dialysis
Recovery
Reset		Auto reset of BP, SP and CLV			Note		By the alarm actuation, upper/lower alarm limits of
		Press [RESET] SW to reset UF stop.					venous pressure become error free.

Condition or cause

Check and action

Simultaneous actuation of this alarm with venous pressure min alarm

Check: See E14 Venous pressure min alarm.

Action: See E14 Venous pressure min alarm.

		Action: Adjust pressure in closed line.
	Occlusion of [RV2]	If adjustment is impossible, clean [RV2] by rinsing after
		disassembling or replace it with new one.
		Check: Check no dialysate pressure change by clamping [V4] line with
		forceps.
	Leak from [V4]
		Action: In the case of no change, clean [V4] by rinsing after
		disassembling or replace it with new one.
	Opening of [V4] due to failure of [FSW]	Check: See E44 AIR ELIMINATION TANK ERROR
	The opening may be simultaneously
	caused with E44 AIR ELIMINATION	Action: See E44 AIR ELIMINATION TANK ERROR
	TANK ERROR
	Leak from [V6] and [V8]	Action: Repair [V6] and [V8] or replace them with new ones.
	Excess occlusion in dialyzer	Action: Replace dialyzer with new one if required.

E11 VENOUS PRESSURE MAX LIMIT

Detection			Venous pressure of +400mmHg
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Dialysis wait				○ (7 times)	UF stop			○	―	○
Rinse				↑
Rinse end				↑
Air purge				↑
Dialysis wait				○ (Continuous)
Preparation				↑
Prep. end				↑
Dialysis				↑
Recovery				↑
Reset		Press [RESET] SW to recover.				Note

	Condition or cause	Check and action
	Folding or occlusion of blood line
	between Venous Drip Chamber and	Action: Remove the trouble cause.
	patient or occlusion of the line with
	Robert clamp
	Thrombus formed at mesh of venous	Action: Remove thrombus or replace blood line with new one.
	drip chamber or at shunt connector
	Error occurrence during single needle	Action: Set upper pressure change limit of SN correctly.
	dialysis
		Check: Disconnect blood line from venous pressure inlet port to
		expose to atmosphere and check indicated venous pressure is
	Failure of venous pressure sensor	nearly 0mmHg.
	board
		Action: If nearly 0mmHg is not indicated, calibrate the board.
		If calibration is impossible, replace the board with new one.

E12 VENOUS PRESSURE MIN LIMIT

Detection			Venous pressure of -400mmHg
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Dialysis wait				○ (7 times)	UF stop			○	―	○
Rinse				↑
Rinse end				↑
Air purge				↑
Dialysis wait				○ (Continuous)
Preparation				↑
Prep. end				↑
Dialysis				↑
Recovery				↑
Reset		Press [RESET] SW to recover.				Note

	Condition or cause	Check and action
	Simultaneous occurrence of this error	Action: Remove cause of dialysate related error.
	with dialysate related error
	Simultaneous occurrence of this error	Action: Remove cause of arterial pressure related error
	with arterial pressure related error
	Press of DRAIN SW without removing
	coupler of dialyzer under occluding	Note: DRAIN SW operation-miss
	venous line with Robert clamp
		Check: Disconnect blood line from venous pressure inlet port to
		expose to atmosphere and check indicated venous pressure is
	Failure of venous pressure sensor	nearly 0mmHg.
	board
		Action: If nearly 0mmHg is not indicated, calibrate the board.
		If calibration is impossible, replace the board with new one.

E13 VENOUS PRESSURE MAX ALARM

Detection			Venous pressure of set upper alarm limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process				alarm
Dialysis wait				○ (Continuous)	UF stop			○	―		○
Preparation
Prep. end
Dialysis
Recovery
Reset		Press [RESET] SW to recover.				Note		By the alarm actuation, upper/lower alarm limits of
								dialysate pressure become error free.

Condition or cause	Check and action
	Check: Check shunt occlusion or blood line folding.
Occlusion of venous line.
	Action: Remove the trouble.
	Check: Check shunt occlusion or blood line folding.
Occlusion of arterial line
	Action: Remove the trouble.
Venous pressure change due to patient	Action: If the change is significant, raise somewhat upper alarm limit of
movement	venous pressure at discretion of doctor.
	Check: Check whether discharge flow rate, pressure applied to rolling
	tube and rotor rotation of blood pump are normal.
Significant discharge pressure change
of blood pump	Action: Adjust the occlusion or the pump rpm correctly.
	If adjustment is impossible, replace the pump or sub-board
	with new one.

E14 VENOUS PRESSURE MIN ALARM

Detection			Venous pressure of set lower alarm limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process				alarm
Dialysis wait				○ (Continuous)	UF stop			○	―		○
Preparation
Prep. end
Dialysis
Recovery
Reset		Press [RESET] SW to recover.				Note		By the alarm actuation, upper/lower alarm limits of
								dialysate pressure become error free.

Condition or cause

Check and action

Blood pressure drop of patient

Action: Stop UF and monitor patient condition.

Correct if set lower alarm limit of venous pressure is incorrect.

Check: Check no introduction of blood in venous pressure sensor line.

Dislodgment of venous line from
venous pressure inlet port	Action: When blood is not introduced in the line, connect venous line
	to the port. If introduced, replace the sensor line with new one.
	Check: Check shunt occlusion or venous line folding.
Occlusion of venous line
	Action: Remove the trouble.
	Check: Check shunt occlusion or arterial line folding.
Occlusion of arterial line.
	Action: Remove the trouble.
Venous pressure change due to patient	Action: If the change is significant, lower somewhat lower alarm limit
movement	of venous pressure at discretion of doctor.
	Check: Check whether discharge flow rate, pressure applied to rolling
	tube and rotor rotation of blood pump are normal.
Significant discharge pressure change
of blood pump	Action: Adjust the occlusion or the pump rpm correctly.
	If adjustment is impossible, replace the pump or sub-board
	with new one.

E15 ARTERIAL PRESSURE MAX LIMIT

Detection			Arterial pressure of +400mmHg
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Dialysis wait				○ ( times)	UF stop			○	―	○
Rinse				↑
Rinse end				↑
Air purge				↑
Dialysis wait				○ (Continuous)
Preparation				↑
Prep. end				↑
Dialysis				↑
Recovery				↑
Reset		Press [RESET] SW to recover.				Note

	Condition or cause	Check and action
	Simultaneous actuation of this error	Action: Remove cause of dialysate pressure related error.
	with dialysate pressure related error
	Simultaneous actuation of this error	Action: Remove cause of venous pressure related error.
	with venous pressure related error
	Folding or occlusion of blood line
	between arterial Drip chamber and	Action: Remove the trouble cause.
	dialyzer or occlusion of the line with
	Robert clamp
	Folding or occlusion of blood line
	between venous Drip chamber and	Action: Remove the trouble cause.
	patient or occlusion of the line with
	Robert clamp
	Thrombus formed at mesh of arterial	Action: Remove thrombus or replace blood line with new one.
	drip chamber or
		Check: Disconnect blood line from arterial pressure inlet port to
		expose to atmosphere and check indicated arterial pressure is
	Failure of arterial pressure sensor	nearly 0mmHg.
	board
		Action: If nearly 0mmHg is not indicated, calibrate the board.
		If calibration is impossible, replace the board with new one.

E16 ARTERIAL PRESSURE MIN LIMIT

Detection			Arterial pressure of -400mmHg
Detection				Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process				alarm
Dialysis wait				○ ( times)	UF stop			○	―	○
Rinse				↑
Rinse end				↑
Air purge				↑
Dialysis wait				○ (Continuous)
Preparation				↑
Prep. end				↑
Dialysis				↑
Recovery				↑
Reset		Press [RESET] SW to recover.				Note

	Condition or cause		Check and action
	Simultaneous actuation of this error		Action: Remove cause of dialysate pressure related error.
	with dialysate pressure related error
	Thrombus formed at arterial	shunt	Action: Remove thrombus or replace blood line with new one.
	connector
	Folding or occlusion of blood line
	between arterial drip chamber	and	Action: Remove the trouble cause.
	patient or occlusion of the line with
	Robert clamp
			Check: Disconnect blood line from arterial pressure inlet port to
			expose to atmosphere and check indicated arterial pressure is
	Failure of arterial pressure sensor		nearly 0mmHg.
	board
			Action: If nearly 0mmHg is not indicated, calibrate the board.
			If calibration is impossible, replace the board with new one.

E17 ARTERIAL PRESSURE MAX ALARM

Detection			Arterial pressure of set upper alarm limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process				alarm
Dialysis wait				○ (Continuous)	UF stop			○	―		○
Preparation
Prep. end
Dialysis
Recovery
Reset		Press [RESET] SW to recover.				Note		By the alarm actuation, set upper/lower alarm limits
								of dialysate pressure become error free.

Condition or cause	Check and action
	Check: Check shunt occlusion and blood line folding.
Occlusion of venous line.
	Action: Correct the trouble.
	Check: Check shunt occlusion and blood line folding.
Occlusion of arterial line.
	Action: Correct the trouble.
Arterial pressure change due to patient	Action: If the change is significant, raise set upper alarm limit of
movement	arterial pressure somewhat at discretion of doctor.
	Check: Check whether discharge flow rate, pressure applied to rolling
	tube and rotor rotation of blood pump are normal.
Significant discharge pressure change
of blood pump	Action: Adjust the occlusion or the pump rpm correctly.
	If adjustment is impossible, replace the pump or sub-board
	with new one.

E18 ARTERIAL PRESSURE MIN ALARM

Detection			Arterial pressure of set lower alarm limit
Detection				Audible	Dialysate line function			BP/SP stop	CLV function		Reset
process				alarm
Dialysis wait				○ (Continuous)	UF stop			○	―		○
Preparation
Prep. end
Dialysis
Recovery
Reset		Press [RESET] SW to recover.				Note		By the alarm actuation, set upper/lower alarm limits
								of dialysate pressure become error free.

Condition or cause

Check and action

Blood pressure drop of patient

Action: Stop UF and monitor patient condition.

Correct if set lower alarm limit of venous pressure is incorrect.

Check: Check no introduction of blood in arterial pressure sensor line.

Dislodgment of blood line form arterial

pressure inlet port Action: When blood is not introduced in the line, connect arterial line to the port. If introduced, replace the arterial line with new one.

Check: Check shunt occlusion and blood line folding.

Occlusion of venous line.

		Action: Correct the trouble.
		Check: Check shunt occlusion and blood line folding.
	Occlusion of arterial line.
		Action: Correct the trouble.
	Arterial pressure change due to patient	Action: If the change is significant, raise set upper alarm limit of
	movement	arterial pressure somewhat at discretion of doctor.
		Check: Check whether discharge flow rate, pressure applied to rolling
		tube and rotor rotation of blood pump are normal.
	Significant discharge pressure change	Action: Adjust the occlusion or the pump rpm correctly.
	of blood pump
		If adjustment is impossible, replace the pump or sub-board
		with new one

E19 TMP ALARM

Detection TMP (VP - DP) of set alarm limit

Detection			Audible	Dialysate line function			BP/SP stop	CLV function	Reset
process			alarm
Dialysis			○ (Continuous)	UF stop			○	○	○
Recovery
Reset		Press [RESET] SW to recover.			Note

	Condition or cause			Check and action
Excess occlusion in dialyzer				Action: Replace dialyzer with new one at discretion of doctor.
Lower setting of TMP alarm limit				Action: Set TMP to appropriate value.
E09	DIALYSATE	PRESSURE	MAX
ALARM
E10	DIALYSATE	PRESSURE	MIN	Action: See E09 DIALYSATE PRESSURE MAX ALARM
ALARM				See E10 DIALYSATE PRESSURE MIN ALARM
E13 VENOUS PRESSURE MAX ALARM				See E13 VENOUS PRESSURE MAX ALARM
Simultaneous actuation of this alarm				See E14 VENOUS PRESSURE MIN ALARM
with E14 VENOUS PRESSURE MIN
ALARM
E07 DIALYSATE PRESSURE MAX LIMIT
E08 DIALYSATE PRESSURE MIN LIMIT				Action: See E07 DIALYSATE PRESSURE MAX LIMIT.
E11 VENOUS PRESSURE MAX LIMIT				See E08 DIALYSATE PRESSURE MIN LIMIT.
Simultaneous actuation of this alarm				See E11 VENOUS PRESSURE MAX LIMIT.
with	E12 VENOUS PRESSURE		MIN	See E12 VENOUS PRESSURE MIN LIMIT.
LIMIT

E20 DIALYSATE CONDUCTIVITY MAX ALARM

Detection

Dialysate conductivity of upper alarm limit

Detection

Audible

Dialysate line function

BP/SP stop

CLV function

Reset

process

alarm

Dialysis

○ (Continuous)

Auto bypass

―

―

―

Press [RESET]SW.

Reset

Auto reset after release from alarm condition for 10

Note

sec.

Condition or cause

Check and action

Abnormal actual conductivity

Check: Take dialysate sample from [SL] to measure actual

conductivity by specified method.

○No adjustment of conductivity

Action: Set conductivity correctly and calibrate indicated conductivity

in maintenance mode 5 screen.

○Failure of main board

Check: See E33 VISCOUS PUMP DRIVING ERROR(VPa) and

E34 VISCOUS PUMP DRIVING ERROR(VPb).

Action: See E33 VISCOUS PUMP DRIVING ERROR(VPa) and

E34 VISCOUS PUMP DRIVING ERROR(VPb).

○Failure of [V13] or [V14]

Action: Repair [V13] or [V14] (V15)) or replace it with new one.

○Failure of [V2] or [V3]

Action Repair [V2] or [V3] or replace it with new one.

○Higher or lower priming flow rate

Action: Adjust the flow rate to 700-750mL/min.

○Failure of [C2]

Action: Replace [C2] with new one.

○Folding,

occlusion or collapsing

of

Action: Correct the trouble.

concentrate line tube

E20 DIALYSATE CONDUCTIVITY MAX ALARM

Condition or cause		Check and action
Normal actual conductivity		Check: Take dialysate sample from [SL] to measure conductivity by
		specified method.
○[CD] electrode contaminated with dirt		Action: Rinse the electrode with acetic acid followed by water rinsing
such as CaCO3 or leak from		sufficiently.
conductivity sensor		If the dirt can not be removed, use specified detergent such
		as CARON or SYUNMA to remove it after disassembling
		conductivity sensor.
○Incorrect [CD] terminal connection		Check: Check no miss-wiring, loosening, corrosion and
		disconnection of TM1 CD terminal of main board.
		Action: If loosened, tighten the connection securely.
		If miss-wired, correct.
		If corroded or disconnected, replace harness with mew one.
○Internal disconnection or short circuit		Check: After disconnecting TM1 CD terminal from main board,
of [CD] harness		measure resistance between [CD] and [GND] to check no short
		circuit, disconnection and fluctuation of measured resistance.
		Action: Replace [CD] harness with new one.
○Failure of main board		Check: Change ambient temperature of main board to check whether
		conductivity and temperature indications are changed.
		Action: If incorrectly indicated, replace main board with new one.
When Na infusion unit (option) is used:
○Higher or lower concentration	of Na	Action: Use 10% Na concentrate.
concentrate
○ Use of other chemical	added	Action: Set proper upper alarm limit of conductivity by considering
concentrate
		electrolyte concentration.
○Use of other concentrate		Action: Use 10% Na concentrate.