Park House Healthcare Delta Plus User manual

DELTA PLUS
Bariatric Mattress Replacement System
Service Manual

1
Index Page
1 PRODUCT VIEW ILLUSTRATIONS
1.1 Front view 2
1.2 Side view 2
1.3 Rear view 3
2 QUICK OPERATING INSTRUCTION 4
3 SERVICE INSTRUCTION 5
4 ALL PARTS ILLUSTRATION 6
5 OPERATING, TROUBLESHOOTING & SERVICE OVERVIEW
5.1 Service checklist 7
5.2 Service repair procedures 8
6 PUMP ASSEMBLY
6.1 Pump exploded view – Diagram 1 16
6.2 Base case exploded view – Diagram 2 17
6.3 Side panel assembly – Diagram 3 18
6.4 Control panel PCB – Diagram 4 19
6.5 Spare parts 20
7 TOOLS 22

2
1 Product View Illustration:
1.1 Front View
Side View I
 Side panel
assembly
Front View
 Control panel
1.2 Side View

3
Side View II
 Air outlet quick
connector assembly
1.2 Rear View
Rear View
 Pump hanger 2sets
 Air intake (filter)
 Enclosure screws x 6
 Brief Operating
Instructions

4
2 Brief Operating Instructions

5
3 Service Instruction:
Instruction for all general service repairs:
Warning:
Unplug the power cord from the mains and ensure that no
electrical current is detected prior to repair.
 Attention:
Before commencing the repair please check the following.
 CPR is fastened securely, See Fig A
 For all the required replacement parts, please contact Park House
Healthcare Ltd for the part number. Once the spare part is obtained,
proceed to the relevant section of this service manual so that the repair can
be carried out.
Fig_ A

6
4 Internal Parts Illustration

7
5 Troubleshooting and Service Overview
5.1 Service checklist:
Fault Description Possible Causes & Solutions Service Repair
Procedure
Check whether the display panel or
wiring terminals are disconnected.
Solution - Replace the control panel.
Check if the pump is in the panel lock-out
mode?
Unable to input
operating
commands
Solution - Press and hold the panel lock
button for more than 3 sec to unlock.
T1
Check that the power switch is on /
working or if the fuses have blown
Solution - Replace the fuse T3
No Power
Solution - Replace the power switch. T2
Check the control panel, power switch,
fuses, and compressor assembly
Solution - Replace the fuse T3
Solution - Replace the power switch T2
Solution - Replace the compressor T5
Compressor is not
functioning
Solution - Replace the Control Panel T1
Perform the compressor pressure test
and check tubing connections for any
leaks
T7
Solution – Refit / replace tubing
connectors
Solution - Replace the control PCB T1
Air Pressure is
incorrect
Solution - Replace the compressor T5
Check the connections between the
compressor, air tubing and timer. Check
for faulty timer, control panel or
compressor
Solution – Refit / replace tubing
connectors
Solution - Replace the timer T6
Solution - Replace the compressor T5
Not alternating
Solution - Replace the control panel T1

8
Fault Description Possible Causes & Solutions Service Repair
Procedure
Check the timer and control panel.
Solution - Replace the timer. T6
Mattress unable to
lower the air
pressure.
Solution - Replace the control panel. T1
Conduct a pump pressure test T7Incorrect pressure
detected
Solution - Replace the control panel. T1
Dirty air filter Replace the air filter T4

9
5.2 Service Repair Procedures
T1 Replace Mylar and control panel assembly
Check
1. If all the key components are functioning normally, such as the compressor,
timer and mains lead, but problems still exist with the air pressure (i.e. LED
light is not lit or press key damaged), replace the control panel assembly.
2. Verify the connection of both power and control panel terminals is tight, if any
disconnected terminals are found, refer to diagram 4 for instructions on how to
reconnect
1. Remove the control panel from the PCB supporting poles
2. Remove the control panel terminals J1, J2, P1, P2, P3 and P4.
Refer to diagram 4
3. Replace the new control panel PCB
4. Plug-back the control panel terminals J1, J2, P1, P2, P3 and P4.
Refer to diagram 4 if necessary.
5. Position the PCB back to the supporting poles and test all operating functions
Diagram 4