Invacare Softform Active 2 RX User manual

Invacare®Softform Active®2 Rx
Powered Hybrid Support Surface
Service Manual
en
PROVIDER: Keep this manual.
The procedures in this manual MUST be performed by a
qualified technician.

©2021 Invacare Corporation
All rights reserved. Republication, duplication or modification in whole or in part is prohibited without prior written permission
from Invacare.
Trademarks are identified by ™ and ®. All trademarks are owned by or licensed to Invacare Corporation or its subsidiaries
unless otherwise noted.

1 Contents
1 General ..................................4
1.1 Introduction.............................4
1.2 Symbols in this Document ................4
1.3 Preliminary System Check ................4
2 Safety ...................................5
2.1 General Safety Information ...............5
2.2 Personal Safety Information...............5
2.3 Electrical Safety Check ...................5
3 Digital Control Unit .......................6
3.1 Components' Overview...................6
4 Service | Digital Control Unit ............... 7
4.1 Replacing the Front Housing .............. 7
4.2 Replacing the Mains Cable Socket .........9
4.3 Replacing the User Interface ..............9
4.4 Replacing the Compressor............... 10
4.5 Replacing the PCB .......................11
4.6 Replacing the CPR Connector.............14
4.7 Replacing the Tubbing Set................14
4.8 Replacing the Motor .....................15
4.9 Replacing the Power Switch ..............16
4.10 Replacing the Bottom Housing ............17
4.11 Replacing the Fuses .....................17
5 Service | Mattress .........................18
5.1 Replacing the CPR Connector.............18
5.2 Replacing the Air Cell Set.................18

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Invacare®Softform Active®2 Rx
1 General
1.1 Introduction
This document contains important information about
assembly, adjustment and advanced maintenance
of the product. To ensure safety when handling the
product, read this document and the user manual
carefully and follow the safety instructions.
Find the user manual on Invacare’s website or contact
your Invacare representative. See addresses at the
end of this document.
Invacare reserves the right to alter product speci-
fications without further notice.
Before reading this document, make sure you have
the latest version. You find the latest version as a PDF
on the Invacare website.
For pre-sale and user information, see the user
manual.
For more information about the product, for example,
product safety notices and product recalls, contact
your Invacare representative. See addresses at the
end of this document.
1.2 Symbols in this Document
Symbols and signal words are used in this document
and apply to hazards or unsafe practices which could
result in personal injury or property damage. See the
information below for definitions of the signal words.
WARNING!
Indicates a hazardous situation that could
result in serious injury or death if it is not
avoided.
CAUTION!
Indicates a hazardous situation that could
result in minor or slight injury if it is not avoided.
IMPORTANT!
Indicates a hazardous situation that could
result in damage to property if it is not avoided.
Tips and Recommendations
Gives useful tips, recommendations and infor-
mation for ecient, trouble-free use.
1.3 Preliminary System Check
Before commencing any service procedure,
the following preliminary verifications should
be completed to ensure the system fault or
failure is not due to an user oversight.
1. Confirm the mains cable is firmly attached and the
system is connected to a working power source.
2. Make sure the handle is secured to the control unit.
All three connectors should be firmly inserted.
3. Remove the mattress top cover. Ensure the
cardiopulmonary resuscitation (CPR) label is
firmly attached.
4. Check that each air cell and side bolster is firmly
attached to the internal air tubes.
Once the preliminary system check is complete,
proceed with the service and repair as outlined in
the following procedures.

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Invacare®Softform Active®2 Rx
2 Safety
2.1 General Safety Information
WARNING!
Risk of injury or damage to property
– The procedures in this manual must only
be performed by a qualified technician.
– Use only original accessories and spare
parts.
– Do not handle this product or any available
optional equipment without first completely
reading and understanding these instructions
and any additional instructional material
such as user manuals, installation manu-
als or instruction sheets supplied with this
product or optional equipment.
– After each assembly, check that all fittings
are properly tightened and that all parts
have the correct function.
WARNING!
Risk of contamination
– Clean and disinfect the product before
servicing.
IMPORTANT!
Assembly of accessories might not be
described in this service manual. Refer to
the manual, delivered with the accessory.
– Additional manuals are available on request.
See addresses at the end of this document.
IMPORTANT!
Replacement parts - for this product family
- are only available as a kit. Always use the
complete new kit when replacing a part.
– Spare parts kits can be ordered from Invacare.
Refer to your local Invacare website to access
the electronic spare parts catalogue (ESPC).
IMPORTANT!
Refer to the user manual of this product
for information on:
– Technical data
– Product components
– Labels
– Additional safety instructions
– Cleaning and disinfection instructions
The information contained in this document
is subject to change without notice.
2.2 Personal Safety Information
These safety instructions are intended to help avoid
accidents during work and must be observed under
all circumstances.
All employees coming into contact with contam-
inated products must regularly consult a company
doctor. Work clothing and personal protective equip-
ment must be available in necessary quantities and
be in proper condition. Reliable hand and surface
disinfection must be ensured.
WARNING!
Risk of contamination
– Clean and disinfect the product before
carrying out repairs.
2.3 Electrical Safety Check
IMPORTANT!
Regular electrical checks according to
EN62353 (VDE0751) must be carried out
in line with national requirements.
Inspect all electronic components for damage to
the casing or cable, test functions and check for stray
current.

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Invacare®Softform Active®2 Rx
3 Digital Control Unit
3.1 Components' Overview
1International Electrotechnical Commission Standards
3.2 Circuit Board (PCB) Overview
Fig. 3-3
Fig. 3-2
B
H
G
I
C
E
F
D
BTop housing
CUser's interface circuit board (UIPCB)
DCompressor
EIEC1 Mains socket
FBottom housing
GCircuit board (PCB)
HAir tube connector
IMotor
AUser's interface
Fig. 3-1
A
M
NO
J K L
JPower switch connector
KMicro switch connector
L6-pin user's interface connector
MCompressor connector
NMotor connector
OFuses connector
Fig. 3-3

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Invacare®Softform Active®2 Rx
4 Service | Digital Control Unit
4.1 Replacing the Front Housing
Refers to spare parts kit SP1633237
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
PH1 Phillips key
14 mm Open-ended wrench
1. Switch o the control unit and disconnect from
mains supply.
2. Turn the unit upside down.
3. Loosen and remove the four screws A.
4. Remove the bottom housing.
5. Loosen and remove the two screws Bfixing the
motor to the front housing.
6. Loosen and remove the three screws Cfixing
the compressor to the front housing.
A
A
A
A
Fig. 4-1
B
B
Fig. 4-2
C C
C
Fig. 4-3

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Invacare®Softform Active®2 Rx
7. Loosen and remove the four screws Dfixing the
PCB to the front housing.
8. Unplug all wires.
9. Unplug the four wires - brown E, black F, red G
and blue H- connected to the fuse holders I,
located on the front housing's bottom right side.
Risk of malfunction or damage to the
Control Unit
Ensure the brown E, black F, red Gand
blue H wires are plugged back into their
original positions.
10. Using the indicated wrench, loosen and remove
the fuse holders Ifrom the front housing.
11. Remove the digital control's label from the front
housing.
12. Loosen and remove the seven screws Jfrom
the front housing.
13. Remove the User's interface from the front hous-
ing. Discard the defective front housing.
14. Place the User's interface in the new front housing.
Position and tighten the provided screws.
15. Place the unit with the Invacare logo facing
forward and install the new digital control's
stick-on label as illustrated.
16. Place and secure the remaining components on
the new front housing in the reverse order to
which they have been removed from the old one
(see steps 5 to 10).
17. Reinstall the bottom housing.
D
D
D
D
Fig. 4-4
H
G
I
E
F
Fig. 4-5
JJ
JJ
J J J
Fig. 4-6
Fig. 4-7

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Invacare®Softform Active®2 Rx
4.2 Replacing the Mains Cable Socket
Refers to spare parts kit SP1633111
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
PH1 Phillips key
1. Switch o the control unit and disconnect from
mains supply.
2. Remove the bottom housing (see 4.1).
3. Unplug the brown A and blue Bwires from the
defective mains socket.
Risk of malfunction or damage to the
Control Unit
Ensure the brown Aand blue Bwires are
plugged back into their original positions.
4. Plug the brown A and blue Bwires to the new
mains socket C, ensuring they are installed in
the original position. Slide the socket into its slit.
5. Reinstall the bottom housing.
4.3 Replacing the User Interface
Refers to spare parts kit SP1633233
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
PH1 Phillips key
1. Switch o the control unit and disconnect from
mains supply.
2. Remove the bottom housing (see 4.1).
3. Remove the user's interface label from the front
housing.
A
B
Fig. 4-8
C
Fig. 4-9
Fig. 4-10

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Invacare®Softform Active®2 Rx
4. Unplug wires A, silicon tube B, and wires Cfrom
the UIPCB.
5. Loosen and remove the seven screws fixing
the interface label to the front housing
(see 4.1, step 12).
6. Remove the non-functioning UIPCB from the
housing.
7. Install the new User's interface, which includes
a new - already attached - UIPCB, on the front
housing.
8. Position and tighten the provided screws.
9. Plug wires A, silicon tube B, and wires Cinto
the new UIPCB.
10. Reinstall the bottom housing (see 4.1).
11. Place the unit with the Invacare logo facing
forward and install the new digital control's
stick-on label as illustrated.
4.4 Replacing the Compressor
Refers to spare parts kit SP1633124
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
PH1 Phillips key
Wire clippers
1. Switch o the control unit and disconnect from
mains supply.
2. Remove the bottom housing (see 4.1).
3. Loosen and remove the three screws A fixing
the compressor to the front housing.
A B C
Fig. 4-11
Fig. 4-12
A A
A
Fig. 4-13