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

460129676-A
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.

60129676-A 5
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.

660129676-A
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

60129676-A 7
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

860129676-A
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

60129676-A 9
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

10 60129676-A
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

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Invacare®Softform Active®2 Rx
4. Carefully unplug the silicon tube Band cut the
cable tie Cusing the wire clippers.
5. Unplug the compressor wire Dfrom the PCB.
6. Remove the non-functioning compressor from
the housing and install the new one.
7. Position and tighten the provided screws.
8. Plug the silicon tube to the compressor.
9. Plug the mains wire to the PCB.
10. Secure the wires with the provided cable ties.
Cut the excess cable tie length.
11. Reinstall the bottom housing.
4.5 Replacing the PCB
Refers to spare parts kit SP1633122
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 silicon tube A connecting the T-valve to
the compressor, tube B from the CPR connector,
and the pressure tube Cfrom the UIPCB.
4. Remove the CPR connector from its slit and
untangle the silicone tubes around the motor.
C
B
Fig. 4-14
D
Fig. 4-15
A
C
B
Fig. 4-16

12 60129676-A
Invacare®Softform Active®2 Rx
5. Unplug the black and green wires D from the
microswitch.
6. Loosen and remove the four screws fixing the
PCB to the front housing.
7. Unplug the yellow motor wire Efrom the PCB.
8. Slide the PCB from under the microswitch and
remove it from the housing. Unplug the five
remaining wires from the PCB. Discard the
non-functioning PCB.
9. Connect the five cables to the new PCB, in their
original position: green and black power switch
wire F, green and black micro switch wire G, 6-pin
user interface wire H, red compressor wires I
and red and black fuse holder wire J.
10. Install the new PCB on the front housing, ensuring
the yellow motor wire Egoes under it.
11. Install the provided screws and tighten them.
12. Plug the yellow motor wire to its original position.
13. Plug the microswitch wires (see step 5).
14. Place the longer silicon tube (the one with the
T-valve), counterclockwise, around the motor.
E
Fig. 4-18
F G H
IJ
Fig. 4-19
Fig. 4-20
D
D
Fig. 4-17

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Invacare®Softform Active®2 Rx
15. Pick the longer tube connected to the CPR
connector B, put it around the motor, clockwise,
and plug it back to the connector, threading it
under the microswitch wires D.
16. Install the CPR connector in its place, making
sure the longer silicon tube is underneath.
17. Slide the T-valve underneath the microswitch,
connect the wider tube to the compressor, and
the thinner one to the user interface, making sure
it goes under all the other tubes.
18. Reinstall the bottom housing.
B
D
D
Fig. 4-21
Fig. 4-23
Fig. 4-22

14 60129676-A
Invacare®Softform Active®2 Rx
4.6 Replacing the CPR Connector
Refers to spare parts kit SP1633238
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 both silicon tubes Afrom the connector.
4. Discard the defective connector.
5. Reinstall the silicon tubes to the new connector
and slide it into the slit. Ensure no tube is kinked
or clamped.
6. Reinstall the bottom housing.
4.7 Replacing the Tubbing Set
Refers to spare parts kit SP1633112
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 tubes Ato G. Discard them.
4. Install the 320 mm long tube on one side of the
T-valve and the 40 mm long tube on the opposite
side. Connect the third (smaller diameter) tube
both to the T-valve and to the UIPCB.
5. Install remaining tubes to their original positions
(see 4.5, steps 14 - 17).
6. Reinstall the bottom housing.
A
A
Fig. 4-24
A
B
C
D
E
F
G
Fig. 4-25

60129676-A 15
Invacare®Softform Active®2 Rx
4.8 Replacing the Motor
Refers to spare parts kit SP1633126
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 three silicon tubes Aconnected to
the motor.
4. Unplug the black Band green Cwires from the
microswitch.
Risk of malfunction or damage to the
Control Unit
Ensure the black Band green Cwires are
plugged back into their original positions.
5. Loosen and remove the screws Dfixing the motor
to the front housing.
6. Discard the non-functioning motor.
7. Install the new motor on its position.
8. Position and tighten the provided screws.
9. Plug tubes Aand the wires to the new motor.
10. Reinstall the bottom housing.
A
A
A
Fig. 4-26
C
B
Fig. 4-27
D
D
Fig. 4-28

16 60129676-A
Invacare®Softform Active®2 Rx
4.9 Replacing the Power Switch
Refers to spare parts kit SP1633123
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 red A, green B and two black C wires
from the defective power switch. Discard it.
Risk of malfunction or damage to the
Control Unit
Ensure the red A, green B and two black C
wires are plugged back into their original
positions.
4. Plug the red A, green B and two black C wires
back to their original positions on the new power
switch.
5. Slide the switch into the slit.
6. Reinstall the bottom housing.
A
B
C
Fig. 4-29

60129676-A 17
Invacare®Softform Active®2 Rx
4.10 Replacing the Bottom Housing
Refers to spare parts kit SP1633246
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. Install the new bottom housing.
4. Position and tighten the provided screws.
4.11 Replacing the Fuses
Refers to spare parts kit SP1633143
PH1 Phillips key
1. Switch o the control unit and disconnect from
mains supply.
2. Turn the unit upside down.
3. Unscrew the fuse holders A. Remove them from
the unit.
4. Remove the fuses from their holders. Discard
the defective fuses.
5. Install the new fuses on their holders.
6. Position the fuse holders back to the unit and
tighten them.
A
A
Fig. 4-30
Fig. 4-31

18 60129676-A
Invacare®Softform Active®2 Rx
5 Service | Mattress
5.1 Replacing the CPR Connector
Refers to spare parts kit SP1633708
1. Switch o the control unit and disconnect from
mains supply.
2. Open the zipper of the mattress and remove
the top cover.
3. Remove the orange castellated foam insert.
4. Find the CPR connector at the mattress foot end.
Unplug it at the tube's extremities A.
5. Slide the defective connector o its sleeve and
replace it with the new one.
6. Plug the new connector onto the tube extremities.
7. Place the foam insert back on top of the mattress
and close the mattress cover's zipper.
5.2 Replacing the Air Cell Set
Refers to spare parts kits: SP1538771, SP1629717,
SP1639718, SP1639719
1. Switch o the control unit and disconnect from
mains supply.
2. Open the zipper of the mattress and remove
the top cover.
3. Remove the orange castellated foam insert.
4. Find the CPR connector at the mattress foot
end. Unplug it at the tube's extremities (see 5.1).
5. Detach the tubes connected to the T-valve A
located on the penultimate air cell.
6. Slide the T-valve through the strap's hole.
7. Thread the strap through the buckle Bpositioned
on the blue foam's lower side.
8. Discard the defective air cell set.
9. Repeat steps 5 to 7 for the five remaining T-valves.
10. Install the new air cell set and secure it with the
provided straps and buckles.
11. Place the foam layer back on top of the mattress
and close the mattress cover's zipper.
A
A
Fig. 5-1
AA
Fig. 5-2
B
Fig. 5-3

60129676-A 19
Invacare®Softform Active®2 Rx
(page left intentionally blank)

Invacare distributors
60129676-A 2021-10-06
Invacare UK Operations Limited
Pencoed Technology Park, Pencoed
Bridgend CF35 5AQ
UK
Invacare Portugal, Lda
Rua Estrada Velha, 949
4465-784 Leça do Balio
Portugal
Österreich:
Invacare Austria GmbH
Herzog-Odilo-Straße 101
A-5310 Mondsee-Tiefgraben
Tel: [phone]
Fax: [phone]
[e-mail]
www.invacare.at
Portugal:
Invacare Lda
Rua Estrada Velha, 949
P-4465-784 Leça do Balio
Tel: (351) (0)225 1059 46/47
Fax: (351) (0)225 1057 39
[e-mail]
www.invacare.pt
España:
Invacare SA
c/Areny s/n, Polígon Industrial de Celrà
E-17460 Celrà (Girona)
Tel: (34) (0)972 49 32 00
Fax: (34) (0)972 49 32 20
[e-mail]
www.invacare.es
Sverige:
Invacare AB
Fagerstagatan 9
S-163 53 Spånga
Tel: (46) (0)8 761 70 90
Fax: (46) (0)8 761 81 08
[e-mail]
www.invacare.se
Norge:
Invacare AS
Grensesvingen 9, Postboks 6230,
Etterstad
N-0603 Oslo
Tel: (47) (0)22 57 95 00
Fax: (47) (0)22 57 95 01
[e-mail]
www.invacare.no
Deutschland:
Invacare GmbH,
Alemannenstraße 10
D-88316 Isny
Tel: (49) (0)7562 700 0
Fax: (49) (0)7562 700 66
[e-mail]
www.invacare.de
Suomi:
Camp Mobility
Patamäenkatu 5, 33900 Tampere
Puhelin 09-35076310
Ireland:
Invacare Ireland Ltd,
Unit 5 Seatown Business Campus
Seatown Road, Swords, County Dublin
Tel: [phone]
Fax: [phone]
[e-mail]
www.invacare.ie
Danmark:
Invacare A/S
Sdr. Ringvej 37
DK-2605 Brøndby
Tel: (45) (0)36 90 00 00
Fax: (45) (0)36 90 00 01
[e-mail]
www.invacare.dk
United Kingdom:
Invacare Limited
Pencoed Technology Park, Pencoed
Bridgend CF35 5AQ
Tel: (44) (0) 1656 776 222
Fax: (44) (0) 1656 776 220
[e-mail]
www.invacare.co.uk
Schweiz / Suisse / Svizzera:
Invacare AG
Benkenstrasse 260
CH-4108 Witterswil
Tel: (41) (0)61 487 70 80
Fax: (41) (0)61 487 70 81
[e-mail]
www.invacare.ch
Italia:
Invacare Mecc San s.r.l.,
Via dei Pini 62,
I-36016 Thiene (VI)
Tel: [phone]
Fax: [phone]
[e-mail]
www.invacare.it
Belgium & Luxemburg:
Invacare nv
Autobaan 22
B-8210 Loppem
Tel: (32) (0)50 83 10 10
Fax: (32) (0)50 83 10 11
[e-mail]
www.invacare.be
*60129676-A*