Dräger Savina Service Manual

5664.900 Savina

Index

Contents

Navigation

Test Certificates	Repair Instructions	Technical Service Bulletins	Conversions
Periodic Manufacturer’s	Service Strategy	TSBs	List of Conversions
Service (PMS)
US Electrical Safety Test	Maintenance Procedure
Electr. Safety Test Form	Service Mode
	Error List
	Alarm Messages
	Repair Information/Error Events
	Repair Procedure
	Software Download
	Software Versions
Spare Parts Lists	Schematics and Diagrams	Function Descriptions	Operating Instructions
US Spare Parts List	Schematics and Diagrams	Function Description	US Operating Instructions
			For information only:
			English Instructions for Use
			French Instructions for Use
			Spanish Instructions for Use

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O5664900T03.fm 27.08.01

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O5664900T03.fm 27.08.01

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/LVW RI WHVW VWHSV ..............................................	78
'HVFULSWLRQ RI WKH WHVW VWHSV ............................	80

Test Step 0 .......................................................	80
Test Step 1 .......................................................	80
Test Step 2 .......................................................	80
Test Step 3 .......................................................	81
Test Step 4 .......................................................	81
Test Step 5 .......................................................	82
Test Step 6 .......................................................	83
Test Step 7 .......................................................	84
Test Step 8 .......................................................	84
Test Step 9 .......................................................	85
Test Step 10 .....................................................	86
Test Step 11 .....................................................	87
Test Step 12 .....................................................	87
Test Step 13 .....................................................	88
Test Step 14 .....................................................	88
Test Step 15 .....................................................	89

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Test Step 16 .....................................................	89
Test Step 17 .....................................................	90
Test Step 18 .....................................................	92
Test Step 19 .....................................................	94
Test Step 20 .....................................................	96
Test Step 21 .....................................................	96
Test Step 22 .....................................................	98
Test Step 23 .....................................................	98
Test Step 24 .....................................................	99
Test Step 25 .....................................................	99
Test Step 26 ...................................................	100
Test Step 27 ...................................................	100
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8SSHU DLUZD\ SUHVVXUH OLPLW ...........................	168
First pressure limit ..........................................	168
Second pressure limit (Paw high + 5 mbar) .........	170
/RZHU DLUZD\ SUHVVXUH OLPLW ...........................	172
0LQXWH YROXPH ..............................................	175
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MV low ..........................................................	175
MV high .........................................................	177
,QVSLUDWRU\ WLGDO YROXPH .................................	179
VTi low ..........................................................	179
VTi high .........................................................	181
2[\JHQ FRQFHQWUDWLRQ ...................................	183
FiO2 low ........................................................	183
FiO2 high .......................................................	185
FiO2 limit values .............................................	187
&KDQJH LQ EUHDWKLQJ F\FOH .............................	188
Apnea ...........................................................	188
Fail to Cycle ...................................................	191
Apnea ventilation ............................................	193
+LJK UHVSLUDWRU\ IUHTXHQF\ ............................	194
$6% ! VHFRQGV ............................................	195
,QVSLUDWRU\ DLUZD\ WHPSHUDWXUH ......................	197

8VHU IXQFWLRQV ..............................................	199
Standby activation ...........................................	199
Flow monitoring ..............................................	200
O2 monitoring ................................................	201
Mask ventilation (NIV) .....................................	203
Nebulization ...................................................	204
Inspiration hold ...............................................	205
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([SLUDWRU\ IORZ VHQVRU ..................................	209
Expiratory flow sensor faulty .............................	209
Expiratory flow sensor not positioned correctly .....211
,QVSLUDWRU\ IORZ VHQVRU ..................................	212
2[\JHQ VHQVRUV ............................................	213
%UHDWKLQJ JDV WHPSHUDWXUH VHQVRU DW < SLHFH . 215

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Breathing-gas temperature sensor faulty ............	215
Breathing-gas temperature sensor disconnected	. 216
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0RQLWRULQJ RI 3((3 .......................................	221
([SLUDWRU\ UHVLVWDQFH 3((3 KLJK ..................	223
*DV VXSSOLHV .................................................	226
Air intake .......................................................	226
Blower ...........................................................	228
Speed adaptation ............................................	229
No oxygen .....................................................	231
Oxygen supply high .........................................	233
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%RRW SURFHGXUH .............................................	234
Testing of watchdogs .......................................	234
5-V voltage monitoring test ...............................	236
System relief ..................................................	237
Timer ............................................................	238
Settings .........................................................	239
Boot sequence ...............................................	240
0HPRU\ ........................................................	241
RTC battery ...................................................	241
Data retention in EEPROM and RTC RAM .........	242
RAM .............................................................	243
ROM .............................................................	244
2SHUDWLQJ YROWDJHV ........................................	246
3RZHU SDFN ...................................................	248
Charge state of internal battery .........................	248
Status of internal battery ..................................	250

Dräger Medizintechnik GmbH

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Power failure ..................................................	252
Main switch ....................................................	254
$PELHQW SUHVVXUH ..........................................	256
'HYLFH LQWHUQDO WHPSHUDWXUH ...........................	258
'HYLFH IDQ .....................................................	259
.H\SDG .........................................................	260
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:DUQLQJ PHVVDJH 1R LQW EDWWHU\ .............	269
"Starting aid" for charging of internal battery ........	271
Dräger Medizintechnik GmbH Savina Version 2.0

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Remedy 1 ......................................................	272
Remedy 2 ......................................................	272
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Power pack ....................................................	340
Control PCB ...................................................	343
Motor Commutation PCB .................................	346
O2 Valve PCB .................................................	348
O2 Diaphragm PCB .........................................	349
Fan ...............................................................	350
2SHUDWRU &RQWURO 3DQHO ..................................	351
Front Panel PCB ............................................	352
Display ..........................................................	353
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Membrane keypad ..........................................	353
Control knob ...................................................	353
3QHXPDWLF V\VWHP .........................................	354
Ventilation function ..........................................	358
O2 mix ...........................................................	359
Pneumatic safety devices .................................	360
Nebulizer function ...........................................	360
O2 calibration function ......................................	361
Sensors .........................................................	361

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Dräger Medizintechnik GmbH

Savina Version 2.0

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D				Periodic
				Manufacturer’s
				Service (PMS)
DrägerService				Savina
Explanation of Symbols
			OK	Z = Check condition
			Defect/error/fault	F = Check function
			Spare parts used	D = Check for leaks
			Report	P = Enter value

∩Accessories missing

For internal use only. Copyright reserved.

File no.:

Edition

Installation site:

Serial no.:

Date of delivery/ startup:

Invoice no. or delivery no.:

Other:

5664.900

08.2001

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SW 01.n

SW 02.n

1.Device in general

Composition of the inspection price:

Basic unit with one expiratory valve. Additional expiratory valves must be charged separately.

1.1Software version

P

Enter software version of Savina.

1.2

Options as per rating plate

BIPAP/PCV+

P

Autoflow

P

Central alarm

P

NIV (mask ventilation, SW 02.n or later)

P

1.3Operating hours

The operating hours can be read out under "Config" in the Savina menu.

1.3.1Total hours of operation

P

Enter total operating hours.

1.3.2	P
	Service operating hours

Operating hours since last service.

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1.4General condition

		Z
1.4.1	Accompanying documents
	Instructions for use and medical product
	logbook available according to operators.	Z
1.4.2	Device rear panel

1.4.2.1Dust filter set

Replace dust filter, if necessary. Dust filter

must not be pressed together.

Z

1.4.2.2Ambient air filter

Replace ambient-air filter, if necessary.

Z

1.4.3Power pack

1.4.3.1DC connection for external battery.

Connection has no visible damage.

1.4.3.2Cooling air fan

Switch on the unit. Check condition and functioning of cooling air fan. Switch off the unit.

1.4.4O2 inlet block.

Inlet block is fitted with NIST, DIN or DISS connectors.

Check condition and tightness of inlet block.

1.4.5Inspiration block

Z

Z F

Z D

Check condition of inspiration block.

Z

1.4.5.1Inspiratory socket

Check condition of inspiratory socket.

Z

1.4.6Nebulizer connection

The nebulizer connection is marked with a nebulizer symbol.

1.4.7Flow sensor mount (flow sensor)

The flow sensor can be inserted into its mount and moved to the right and to the left without effort.

1.4.7.1Flow sensor

Z

Z F

The flow sensor is undamaged.

Z

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1.4.8Expiratory valve mount

Check locking function.

Z F

1.4.9Expiratory valve(s)

Enter serial number of valves: Valve 1:

P

Valve 2:

P

Valve 3:

P

1.4.9.1Expiratory valve, complete See also test item 2.1.

Inspect the following components. To do so, remove the respective expiratory valve:

Diaphragm, complete Non-return valve

Flow sensor sleeve, complete

Lip seal (for pressure measurement) Expiratory socket

Water trap container

	Valve 1:	Z
	Valve 2:	Z
	Valve 3:	Z
	Assemble each expiratory valve ready for use.
1.4.10	Savina front panel
1.4.10.1	Keypad, control knob, and display
	Keypad, control knob, and display are
	undamaged (for example, have no scratches
	that could affect the view).	Z

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1.4.11"Savina Mobil" trolley

1.4.11.1Castors

Wheels, of which 2 locking. Check screw

fittings for secure seating to 25 Nm.

Z F

1.4.11.2Trolley accessories

Check condition and function of the following accessories (if fitted):

Humidifier holder (optional)

Cylinder holder (optional)

"Multiple socket outlet" retrofit kit (option)

Battery pack (option, in trolley pedestal)

External battery connecting cable

Z F

1.4.12

Unit accessories

Check condition and function of the following

accessories (if fitted):

Hinged arm (if fitted)

Z F

Temperature sensor (if fitted)

Z

1.4.13Compressed gas connecting tubes

Compressed gas connecting hoses comply with national regulations.

	For example, compressed gas connecting
	hoses with sealing rings, neutral color
	for O2 NIST connectors, 3 m,
	for O2 NIST connectors, 5 m,	Z D
1.4.14	Hose systems
	Hose systems correspond to specifications in
	the Instructions for Use/Operating
	Instructions.	Z

1.4.15Adult test lung

Check condition and completeness of adult test lung.

The adult test lung comprises the following components:

Face mask angle piece

Catheter connector, ISO, size 7
Breathing bag, 2 L	Z

The breathing bag must not be overstretched.

18

1.4.16Drug nebulizer (white housing)

Additional note:

The drug nebulizer, 84 05 000, (black housing), must not be used in Savina.

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1.4.16.1Condition test

Check the condition of the following components:

1

2 3 4

5

6

9

7

1 Patient connection

2 Nebulizer housing

3 Gasket

4 O ring

5 Nozzle

6 O ring

7 Atomizer

8 Container

9 Nebulizer hose

8

1.4.16.2Functional test

Fill nebulizer housing with water up to the "3"

mark. Supply drug nebulizer with 2.0 bar ± 0.2 bar.

Test: Vapor must be produced.

1.4.17Special accessories (if provided)

Check condition and function of the following special accessories (if available):

Resutator 2000 Child Resutator 2000

1.5Unit options and configuration

—Not applicable —

Z

F

Z F

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2.Replacement of wear and tear parts

2.1 * Replace diaphragm, complete, 84 13 661, in the expiratory valve.

Next replacement:___________________

2.2Replace internal batteries (rechargeable), 18 * 41 416, (x2) every 2 years

(see also chapter "Maintenance Procedure Replacing the internal rechargeable batteries").

Next replacement:___________________

2.3Replace batteries (rechargeable), 18 43 303,

*(if fitted, x2) in Savina Mobile every 2 years. Next replacement:___________________

2.4	*	Replace O2 filter, 84 08 208, and sealing
		ring, M 09 257, in valve block, complete,
		every 6 years.
		(see also chapter "Maintenance Procedure
		Replacing filter and sealing ring in O2
		compressed gas inlet").
		Next replacement:___________________
2.5	*	Replace O2 pressure reducer, 84 13 666, in
		valve block, complete, every 6 years.
		(see also chapter "Maintenance Procedure
		O2 pressure reducer").
		Next replacement:___________________
2.6	*	Replace real-time clock, 18 45 527, on
		Control PCB, every 6 years.
		(see also chapter "Maintenance Procedure
		Replacing the real-time clock on the
		Control PCB").
		Next replacement:___________________
		Note: After changing the real-time clock re-
		enter the date and time.
2.7	*	Replace the blower unit with the "motor

blower unit" spares set, 84 13 643, after 20000 hours’ operation.

(see also chapter "Maintenance Procedure Replacing the blower unit").

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3.Electrical safety test

The following steps describe the safety

Seech cksdocumentaccording" Electricalto IEC 60601SafetyandTestVDEin the USA/Canada".

0751. Any decision about performing safety checks according to VDE 0751 or IEC 60601 must be made under consideration of

Recordapplicablemeasuredn tional regvalueslatioinsthe. Electricaldocument "Electrical Safety Test Form Savina". safety checks should be carried out either

according to IEC 60601 or VDE 0751.

Savina conforms to regulations of protection class I, type B; with plugged-in airway temperature sensor to regulations of protection class I, type BF.

3.1	Visual inspection of basic unit
	Check the following parts for possible
	damage:
	−	Power cable
	−	Power switch
	Compare the values of the power pack fuses
	for mains power supply and internal
	rechargeable battery with the rated values on
	the rear panel.		Z

3.2Test of electrical safety to IEC 60-601

3.2.1Protective earth conductor test

Tester	Savina
	L
	N
6 V
	PE
ohm	Test probe
	PS

Protective earth conductor test

Connect the test probe in sequence to the following test points:

−Power pack ground stud

−Screws on housing

−Rails, at the sides of Savina (if fitted)

−Oxygen connection

Test value R≤ 0.2 ohms

P

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3.2.2Earth leakage current test

Tester	Savina
L/N
Mains voltage
N/L
PE
PS
Earth leakage current test
Normal condition (N.C.):
I ≤ 500 A	P
Single fault condition (S.F.C.):
Neutral conductor interrupted:
I ≤ 1000 A	P
In the following steps the test is repeated, but
with the power plug turned over. This
condition can be created internally with some
types of test devices.
Normal condition (N.C.):
I ≤ 500 A	P
Single fault condition (S.F.C.):
Neutral conductor interrupted:
I ≤ 1000 A	P

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3.2.3Patient leakage current test

Tester

Savina

L/N

Mains voltage

N/L

PE

PS

(1)

mA

Patient leakage current test

Connect airway temperature sensor (1) to the socket of the airway temperature sensor of Savina and to the tester.

Enter serial number of the airway temperature sensor:

P

	Normal condition (N.C.):
	I ≤ 100 A	P
	Single fault condition (S.F.C.):
	Neutral conductor interrupted:
	I ≤ 500 A	P
	In the following steps the test is repeated, but
	with the power plug turned over. This
	condition can be created internally with some
	types of test devices.
	Normal condition (N.C.):
	I ≤ 100 A	P
	Single fault condition (S.F.C.):
	Neutral conductor interrupted:
	I ≤ 500 A	P
3.2.4	Multiple socket outlet on trolley (if fitted)

3.2.4.1Compare fuses with rated values on the

socket-outlet.

Z

3.2.4.2Protective earth conductor test

Check all sockets.
Test value R ≤ 0.2 ohms	P

23

A

B

C

3.2.4.3Earth leakage current test

The test is carried out without Savina or other devices.

Normal condition (N.C.):
I ≤ 50 µ A	P
Single fault condition (S.F.C.):
Neutral conductor interrupted:
I ≤ 100 µ A	P
In the following steps the test is repeated, but
with the power plug turned over. This
condition can be created internally with some
types of test devices.
Normal condition (N.C.):
I ≤ 50 µ A	P
Single fault condition (S.F.C.):
Neutral conductor interrupted:
I ≤ 100 µ A	P
Continue Test Certificate at test item 4..

3.3Test of electrical safety to VDE 0751

3.3.1Protective earth conductor test

Tester	Savina
	L
	N
6 V
	PE
ohm	Test probe
	PS

Protective earth conductor test

Connect the test probe in sequence to the following test points:

−Power pack ground stud

−Screws on housing

−Rails, at the sides of Savina (if fitted)

−Oxygen connection

Test value R ≤ 0.3 ohms

P

24

A

B

C

3.3.2Equivalent device leakage current test

Tester	Savina
Rv	L
Mains voltage	N
	PE
mA	PS
	Test probe

Equivalent device leakage current test

Connect airway temperature sensor (1) to the socket of the airway temperature sensor of Savina and to the tester. Connect test probe to Savina.

Enter serial number of the airway temperature sensor:

P

Subsequent measurements may exceed the first-measured value by max. 50% but must at the same time be ≤ 1000 A.

Initial value: _______ A

Note:

Always enter the initial value in a new PMS.

I ≤ 1000 A

P

3.3.3equivalent patient leakage current test

Tester	Savina
	L
Mains voltage	N
	PE

mA	PS	Test probe

equivalent patient leakage current test

(1)

(1)

25

A

B

C

Connect airway temperature sensor (1) to the socket of the airway temperature sensor of Savina and to the tester. Connect test probe to Savina.

Enter serial number of the airway temperature sensor:

P

Subsequent measurements may exceed the first-measured value by max. 50% but must at the same time be ≤ 5000 A.

Initial value: _______ A

Note:

Always enter the initial value in a new PMS.

I ≤ 5000 A

P

3.3.4Multiple socket outlet on trolley (if fitted)

3.3.4.1Compare fuses with rated values on the

socket-outlet.

Z

3.3.4.2Protective earth conductor test Check all sockets.

Test value R ≤ 0.3 ohms

P

3.3.4.3Equivalent device leakage current test

The test is carried out without Savina or other devices.

Subsequent measurements may exceed the

first-measured value by max. 50% but must at the same time be ≤ 100 A.

Initial value: _______ A

Note:

Always enter the initial value in a new PMS.

I ≤ 100 A

P

26

A

B

C

4.Functional tests

4.1Power pack

Connect mains power and O2 supply. Switch on the unit.

4.1.1Testing the "electrical supply" display

The LEDs on the front of Savina show the following operating states:

Mains power supply: green External battery: off Internal battery:

Green: Internal rechargeable batteries are fully charged.

Yellow: Internal rechargeable batteries are
being charged.	F

4.1.2Testing the internal supply voltage Cut mains power.

The unit continues to ventilate. Audible alarm

sounds and display message "!! Int. battery
activated" appears.	F
The LEDs on the front of Savina show the
following operating states:
Mains power supply: off
External battery: off
Internal battery: green	F

4.1.3Testing the supply voltage failure alarm Connect device to the mains power supply.

Remove the fuse for the internal rechargeable battery. The fuse is located on the rear panel of the unit.

Disconnect the device from the mains power supply.

Ventilation off. All LEDs are off. Audible alarm
sounds.	F
Switch off the unit.
Restore mains power.
Re-insert fuse for internal rechargeable
battery.
Switch unit back on.

27

A

B

C

4.1.4Testing the external d.c. voltage supply

4.1.4.1Battery operation simulation

Notice: Maximum test duration = 1 minute!

“Connect Charge tester (Evita), complete" to d.c. voltage input of Savina (use the two lower sockets).

	Left side terminal:		Right side terminal:
	(-) black	I	(+) red
		0

Using "DC voltage source, 3 -18 V" apply a voltage of 14 V to the charge tester.

After 6 seconds, at the latest, the LEDs on the
front of Savina show the following operating
states:
Mains power supply: green
External battery: green
Internal battery:
Green: Internal rechargeable batteries are
fully charged.
Yellow: Internal rechargeable batteries are
being charged.	F
Reduce the voltage from the DC source from
14 V to 11 V.
The LEDs on the front of Savina show the
following operating states:
Mains power supply: green
External battery: yellow
Internal battery:
Green: Internal rechargeable batteries are
fully charged.
Yellow: Internal rechargeable batteries are
being charged.	F

28

A

B

C

4.1.5On-board electrical system simulation

Short-circuit the two upper sockets on the d.c. voltage input of Savina using the "Cable for charge tester".

Set the voltage from the d.c. source to 14 V and wait for the "External battery" LED to light up green.

Reduce the voltage from the DC source to 11 V.

The LEDs on the front of Savina show the following operating states:

Mains power supply: green External battery: green Internal battery:

Green: Internal rechargeable batteries are fully charged.

Yellow: Internal rechargeable batteries are
being charged.	F
Remove the charge tester. Switch off the unit.

4.2Tests in internal service mode

Switch on Savina and, at the same time, press and hold the backlighting dim-up/dim-down key and the "Config" key until the service mode is activated (see also chapter "Service Mode Entering the Internal Service Mode").

4.2.1Checking the RS232 interface Test Step 0 : call up this test step.

Connect PC to Savina using "RS232 extension" and "RS232 adapter, crossed". Start terminal program and adjust the following:

COM 1 (or corresponding) Baud rate: 19200

Data bits: 8 Parity: None Stop bits: 1 Protocol: None

The settings on the PC must match those in the Medibus log of the Savina in the "Configure" menu.

Carry out "Send Logbook" function in internal service mode.

Test value:

The content of the error log is displayed on
the PC (terminal program).	F

29

A

B

C

4.2.2Testing the keys

Call up test steps 1 and 2 in sequence (as of SW 1.10)

Check the functioning of all keys.

Test value:

All keys should function properly.

F

4.2.3Nebulizer flow test

Test Step 13: call up this test step.

Connect a flowmeter tube with an oxygen scale of up to 16 L/min to the nebulizer connection. Switch on the nebulizer valve.

Test value:

Nebulizer flow = 8 L/min to 14 L/min.

P

4.2.4Comparing measurement functions of the flow sensors

Test Step 14: call up this test step.

Connect (short-circuit) the inspiratory and the expiratory sockets using a ventilation hose. Set the "PRESSURE BYPASS" value to

40 mbar. Test value:

The measured inspiratory and expiratory flows
must not differ by more than 13%.	P

4.2.5Offset voltages of the airway pressure sensors

Call up test 19. Test values:

"V_PAW_INSP" = 730 mV ± 100 mV	P
"V_PAW_EXP" = 730 mV± 100 mV	P

30