Invacare SoftCloud Top User manual

Invacare®SoftCloudTM family
Top, Air, Ace, Pro
Alternating mattress systems
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.

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
3.2 Circuit Board (PCB) Overview ............6
3.2.1 Ace/Pro PCB..........................6
3.2.2 Top/Air PCB ..........................6
4 Service | Digital Control Unit ............... 7
4.1 SoftCloud Ace/Pro....................... 7
4.1.1 Replacing the Air Filter................. 7
4.1.2 Replacing the Top Housing .............8
4.1.3 Replacing the PCB.....................9
4.1.4 Replacing the Dual Compressor ........ 10
4.1.5 Replacing the Motor ...................11
4.1.6 Replacing the Air Tube Connector .......12
4.1.7 Replacing the Bottom Housing..........13
4.1.8 Replacing the Tube Subassembly........14
4.1.9 Replacing the IEC Socket...............14
4.2 SoftCloud Top/Air .......................15
4.2.1 Replacing the Air Filter.................15
4.2.2 Replacing the Top Housing .............15
4.2.3 Replacing the PCB ....................16
4.2.4Replacing the Compressor..............17
4.2.5 Replacing the Motor...................18
4.2.6 Replacing the Air Tube Connector ......19
4.2.7 Replacing the Bottom Housing .........19
4.2.8 Replacing the Tube Subassembly . . . . . . 20
4.2.9 Replacing the IEC Socket ..............21
5 Service | Mattress ........................22
5.1 Replacing the Air Cell ...................22
5.2 Replacing the Heel Cell (Ace/Pro) . . . . . . . . 24
5.3 Replacing a Side Bolster (Pro) ...........25

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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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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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3 Digital Control Unit
3.1 Components Overview
ATop housing
BSpeaker bracket
CControl panel
DAir tube connector
ECircuit board (PCB)
FCompressor bracket
G
Compressor (dual compressor on the above
illustrated Ace/Pro models, single compres-
sor on the Top/Air models)
HBottom housing
IMotor
JIEC1 Mains socket
KIEC Mains socket fixture
1International Electrotechnical Commission Standards
Fig. 3-1
C
B
A
D
K
J
IE
F
G
H
3.2 Circuit Board (PCB) Overview
3.2.1 Ace/Pro PCB
LPower switch connector
MPressure sensor
NCompressor connector
OFlexible printed circuit (FPC) connectors
PSpeaker connector
QMotor connector
RIEC Mains connector
3.2.2 Top/Air PCB
SPressure sensor
TFlexible printed circuit (FPC) connectors
UPower switch connector
VSpeaker connector
WMotor connector
XCompressor connector
ZIEC Mains connector
Fig. 3-2
L M
R
N
P
Q
O
S
U V W
Z
X
T
Fig. 3-3

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4 Service | Digital Control Unit
Service Due
After the control unit has been running for
8760 hours, the LED with service due will be
activated with yellow light, where the service
technician should maintain the device.
To reset the service LED, press the MUTE
button for 4 seconds to shut down the service
LED and the system will continue to count
the next 8760 hours automatically.
4.1 SoftCloud Ace/Pro
4.1.1 Replacing the Air Filter
Refers to spare parts kit SP1631536
IMPORTANT!
Good filter maintenance is critical to maintaining
your mattress system in optimal operating
condition. Failure to keep the filters clean
will result in system downtime and increase
repair costs. It is recommended that the air
filter be replaced annually. Replacement air
filters are available from an Invacare Service
Centre.
1. Switch o the control unit and disconnect from
mains supply.
2. Disconnect the air hoses.
3. Place the control unit on a flat surface with its
back panel facing upward (place a soft cloth
under the unit to prevent scratches).
4. While keeping the hanger brackets apart, carefully
remove both air filter covers and their respective
filters A. Discard the filters.
5. Open the spare parts kit and carefully place a
new filter in each of the covers.
6. Place the air filter covers back into the control
units' slots.
Fig. 4-1
AA

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4.1.2 Replacing the Top Housing
Refers to spare parts kit SP1631544
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
T10, T20 Torx keys
Removing Housing
1. Switch o the control unit and disconnect from
mains supply.
2. Turn the unit upside down.
3. Loosen and remove the five screws Awith the
appropriate Torx key.
4. Hold the unit firmly. Turn the unit back to its
top side.
5. Open the housing. Unplug the speaker wire B,
and FPC's C and D.
6. Detach the housing.
Preparing Housing
7. Open the spare parts kit. Use the old housing as
a guide, and apply the fuse type and insulation
class stick-on labels on the new housing.
8. Assemble the new speaker with its bracket and
foam pad, and place it on the housing. Fix it with
the two provided screws.
9. Place both foam strips on the new housing. Make
sure they are set between the housing and the dual
compressor (use the old housing as reference).
10. Thread both FPC's through the housing's slit and
stick the digital control panel on the front of the
housing.
A
A
A
A
A
Fig. 4-2
Fig. 4-3
D
C
B

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Installing Housing
11. Plug both FPC's and the speaker cable.
12. Install the new housing. Ensure no cable or tube
is kinked or clamped.
13. Hold the unit firmly. Turn it upside down.
14. Install the five provided screws and tighten the
new housing.
4.1.3 Replacing the PCB
Refers to spare parts kit SP1631539
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
T10, T20 Torx keys
Wire clippers
1. Switch o the control unit and disconnect from
mains supply.
2. Detach the top housing, the speaker cable and
both FPC's (see 4.1.2).
3. Cut the cable tie that holds tube Cto the bottom
housing. Disconnect the three air tubes A, B,
and C.
4. Unplug the motor cable D, the power switch
cable E, the compressor cable F, and the mains
cable G.
5. Cut the cable tie securing the pressure sensor
Hand remove it.
Fig. 4-4
A
C
B
Fig. 4-5
D
E
H
F
G

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6. Loosen and remove the four screws Iusing the
appropriate Torx key.
7. Discard the nonfunctioning PCB.
8. Install the new PCB and secure it with the four
provided screws.
9. Install all the parts in reverse order. Ensure no
cable or tube is kinked or clamped. Use the
provided cable ties to secure tube Cand pres-
sure sensor H. Cut the excess cable tie length.
10. Reinstall the housing. Ensure no cable or tube is
kinked or clamped.
4.1.4 Replacing the Dual Compressor
Refers to spare parts kit SP1631542
Risk of damaging the PCB by electro-
static discharge
Handle PCB's only in Electrostatic Protected
Areas
T10, T20 Torx keys
Wire clippers
1. Switch o the control unit and disconnect from
mains supply.
2. Detach the top housing, the speaker cable and
both FPC's (see 4.1.2).
3. Disconnect the three air tubes and cut the cable
tie that holds the third tube to the bottom hous-
ing (see 4.1.3).
4. Unplug the compressor cable from the PCB (see
4.1.3).
5. Unplug the yellow earth wire Afrom its socket.
6. Carefully cut both cable ties Bsecuring the air
tubes to the dual compressor and unplug them.
Fig. 4-6
I
I
I
I
A
Fig. 4-7
Fig. 4-8
BB