GE Aestiva 5 Service Manual

							 
GE Healthcare 
Aestiva/5 
Operation Manual - Part 2 
Software Revision 4.X  
Setup, Cleaning, Maintenance, Troubleshooting 
						

							 
User Responsibility 
This Product will perform in conformity with the description thereof contained in 
this Operation manual and accompanying labels and/or inserts, when 
assembled, operated, maintained, and repaired in accordance with the 
instructions provided. This Product must be checked periodically. A defective 
Product should not be used. Parts that are broken, missing, plainly worn, 
distorted, or contaminated should be replaced immediately. Should repair or 
replacement become necessary, Datex-Ohmeda recommends that a telephonic 
or written request for service advice be made to the nearest Datex-Ohmeda 
Customer Service Center. This Product or any of its parts should not be repaired 
other than in accordance with written instructions provided by Datex-Ohmeda 
and by Datex-Ohmeda trained personnel. The Product must not be altered 
without the prior written approval of Datex-Ohmeda. The user of this Product 
shall have the sole responsibility for any malfunction which results from 
improper use, faulty maintenance, improper repair, damage, or alteration by 
anyone other than Datex-Ohmeda.
w  
CAUTION  
U.S. Federal law restricts this device to sale by or on the order of a 
licensed medical practitioner. Outside the U.S.A., check local laws 
for any restriction that may apply.
 
Datex-Ohmeda products have unit serial numbers with coded logic which 
indicates a product group code, the year of manufacture, and a sequential unit 
number for identification.
AAA  F 12345
This alpha character indicates the year of  product
manufacture and when the serial number was assigned;  
“D” = 2000, “E” = 2001, “F” = 2002, etc. “I” and “O” are 
not used.  
Aestiva, S/5, PSVPro, Tec 5, Tec 6   
and   
Tec 7   
are registered trademarks of 
Datex-Ohmeda Inc.
Other brand names or product names used in this manual are trademarks or 
registered trademarks of their respective holders. 
						

							 
Table of Contents 
1006-0939-000 
i  
i 
1/Introduction 
How to use this manual   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Symbols used in the manual or on the equipment . . . . . . . . . . . . . . . . . . . . 1-3
Maintenance summary and schedule  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Operator maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Datex-Ohmeda approved service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 
2/Cleaning and Sterilization 
Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Patient path  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Scavenging path  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Clean and sterilize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
To wash (by hand or machine)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Autoclave  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Special requirements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Assemble  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Disassemble the patient path   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Canister disassembly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Disassemble the scavenging path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
How to clean and disinfect the flow sensors  . . . . . . . . . . . . . . . . . . . . . . . . 2-13
How to clean and sterilize the optional CO 
2
 
 bypass assembly  . . . . . . . . . 2-15 
3/Setup and Connections 
Breathing system setup   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Canister setup  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Pneumatic and electrical connections   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
How to install gas cylinders (high-pressure leak test)   . . . . . . . . . . . . . . . . 3-11
Cylinder yokes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
DIN connections   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
How to install the gooseneck lamp (12 V) . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
How to attach equipment to the top shelves   . . . . . . . . . . . . . . . . . . . . . . . 3-15
How to install equipment on the foldout shelf   . . . . . . . . . . . . . . . . . . . . . . 3-17
Installation notes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 
						

							 
Aestiva 
ii 
1006-0939-000 
ii 
4/User Maintenance 
Repair policy   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Manifold maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Expiratory valve maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Receiver maintenance (active gas scavenging only)   . . . . . . . . . . . . . . . . . .4-8
Flow sensor maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
Breathing circuit maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-10
Bellows maintenance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-12
Bellows tests   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-15
O 
2
 
 sensor calibration - 21% O 
2
 
  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-18
O 
2
 
 sensor calibration - 100% O 
2
 
  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-21
Flow sensor calibration  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-24
How to prevent water build-up  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-25 
5/Alarms and Troubleshooting 
About alarms  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
Alphabetical list  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
Breathing system problems (no alarm)   . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-15
Electrical problems (power failure, etc.)   . . . . . . . . . . . . . . . . . . . . . . . . . .  5-16
Pneumatic problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-18 
6/Illustrated Parts 
Breathing system parts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Top level  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Main manifold   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
Exhalation valve  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
Bellows  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
Test tools and system parts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6-10 
7/Theory of Operation and Specifications 
Ventilator Theory   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
Modes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-3 
						

							 
Table of Contents 
1006-0939-000 
iii  
iii 
Breathing system schematic   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Electrical block diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Pneumatic circuits   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Suction regulators (optional)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
O 
2
 
 flowmeter (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Breathing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
Breathing system specifications   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Pneumatic specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Flow specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Electrical power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Power cord  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Electrical fuses   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Battery information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Electro-magnetic compatibility   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Physical specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
Environmental requirements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Ventilation operating specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-23
Aestiva ventilator accuracy data   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25 
Index
Warranty 
						

							 
Aestiva 
iv 
1006-0939-000 
iv 
						

							 
1006-0939-000 
1-1 
           
 
 
1 Introduction 
1-1 
In this section 
How to use this manual   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Symbols used in the manual or on the equipment   . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Maintenance summary and schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 
						

							 
Aestiva  
1-2 
1006-0939-000 
How to use this manual 
This is part two of the Aestiva operation and maintenance manual. It tells you 
how to:
•Remove and clean parts   
•• • •
SS S S
ee e e
ttt t
    
uu u u
pp p p
    
ttt t
hh h h
ee e e
    
ss s s
yy y y
ss s s
ttt t
ee e e
mm m m
•• • •
III I
dd d d
ee e e
nn n n
ttt t
iiii
fff f
yy y y
    
aa a a
nn n n
dd d d
    
rrr r
ee e e
pp p p
llll
aa a a
cc c c
ee e e
    
ww w w
oo o o
rrr r
nn n n
    
oo o o
rrr r
    
dd d d
aa a a
mm m m
aa a a
gg g g
ee e e
dd d d
    
pp p p
aa a a
rrr r
ttt t
ss s s
•• • •
CC C C
aa a a
llll
iiii
bb b b
rrr r
aa a a
ttt t
ee e e
    
ttt t
hh h h
ee e e
    
OO O O  
22 2 2  
    
ss s s
ee e e
nn n n
ss s s
oo o o
rrr r  
The second half of this section is a maintenance schedule.
The last section, troubleshooting, tells you what causes each alarm and what 
you can do about it. 
Use this manual together with Part 1, which includes the operating 
instructions and preoperative checkout.
w   
    
 
WARNING  
If an alarm occurs, safeguard the patient first, before 
troubleshooting or repair procedures. 
						

							 
1 Introduction 
1006-0939-000 
1-3 
1-3 
Symbols used in the manual or on the equipment
w 
Warnings and 
w
 
Cautions tell you about dangerous conditions that can 
occur if you do not follow all instructions in this manual.
Warnings tell about a condition that can cause injury to the operator or the 
patient. 
Cautions tell about a condition that can cause damage to the equipment. Read 
and follow all warnings and cautions. 
Other symbols replace words on the equipment or in Datex-Ohmeda manuals. 
No one device or manual uses all of the symbols. These symbols include: 
 l 
On (power)
Í
 
Not autoclavable
O
 
Off (power)
m
 
Type B equipment
o
 
Standby
µ
 
Type BF equipment
q
 
Standby or preparatory state for part of 
the equipment
H
 
Type CF equipment
p
 
“ON” only for part of the equipment
w
 
Caution, ISO 7000-0434
œ
 
“OFF” only for part of the equipment
wW
 
Attention, refer to product 
instructions, IEC 601-1
†
 
Direct current
This way up 
~ 
Alternating current Dangerous Voltage
x
 
Protective earth ground
y
 
Earth ground
Electrical input Electrical output
Pneumatic inlet Pneumatic outlet
r
 
Frame or chassis ground 
REF 
Stock Number
N
N 
						

							 
Aestiva  
1-4 
1006-0939-000
å
 
Alarm silence button 
SN 
Serial Number
Y
 
Equipotential Systems with this mark agree with 
the European Council Directive 
(93/42/EEC) for Medical Devices 
when they are used as specified in 
their Operation and Maintenance 
Manuals. The xxxx is the 
certification number of the 
Notified Body used by Datex-
Ohmeda’s Quality Systems.
tVariability Read top of float
TVariability in steps Vacuum inlet
+Plus, positive polarity Suction bottle outlet
-Minus, negative polarityO2+O2 Flush button
PLamp, lighting, illumination Cylinder
NMovement in one direction Isolation transformer
ˆMovement in two directions Linkage system
zLock Risk of Explosion
ZUnlock Low pressure leak test