7
D I R E C T H E A L T H C A R E S E R V I C E S . C O . U K
S E R V I C E M A N U A L
8. Maintenance procedures
8.1. Safety Warning
Only qualified technicians trained or formally approved by Direct
Healthcare Services Ltd. in the operation and maintenance of
Direct Healthcare Services products may carry out maintenance,
modification or repair work on the equipment. Unqualified
personnel attempting to work on Direct Healthcare Services
Power Units risk serious injury to themselves and others and
possibly death by electrocution. Inlet fuse NOT to be replaced by
operator or patient, to be replaced by service personnel only.
Warning – Do not modify this equipment without
authorisation of Direct Healthcare Services.
8.1.1 Servicing
Direct Healthcare Services (DHS) recommend that the
Power Unit (Pump) should be serviced every year. The unit
contains no user serviceable parts and should only be carried out
by persons as described in section 8.1. DHS will make available
on request service manuals, component parts lists and other
information necessary for any suitably qualified person (As in 8.1)
to carry out repair or service the system. For Service, maintenance
and any questions regarding this please contact DHS.
8.2. Cleaning Procedures
Warning: Before cleaning the System make sure that the Power
Unit (Pump) is disconnected from the mains electricity supply.
Do not
immerse the Power Unit (Pump) in water or other fluids.
Do not
autoclave, nor use phenol for cleaning.
Do wash hands before commencing the cleaning process.
Wear appropriate protective clothing such as gloves,
apron and a mask.
Ensure all work surfaces are cleaned before and after contact
with the Mattress.
8.3. Warning – Cleaning the Mattress
1. Cleaning should take place after use or between patients.
2. With cover left on the Mattress disconnect the Mattress from
the Power Unit (Pump).
3. Clean the surface of the wash down table with Hypochlorite
solution or equivalent disinfectant.
4. Wash Mattress top using hot water (60 degrees C) containing
detergent – dry with a paper towel.
5. For heavy contamination use a Hypochlorite solution
1,000 parts per million available chlorine.
6. Using suitable brush, hot water, detergent or Hypochlorite solution,
clean Umbilical Hose and CPR Valve. Dry with paper towel.
7. If required, the Mattress Cover may be removed and
machine-washed at a temperature of 80 degrees C, for not
less than 10 minutes. The individual Air Cells can be wiped
down with established disinfectants.
8. To avoid shrinkage of the cover line dry in an indoor clean
environment or tumble dry on a low heat setting not exceeding
40 degrees C and not for longer than 10 minutes. Covers must
be thoroughly dried before re-fitting to the mattress.
8.4. Warning – Cleaning the Power Unit (Pump)
The Power Unit can be cleaned by wiping with a cloth
dampened with a detergent solution or Hypochlorite solution.
Also refer to symbol chart.
8.4.1 Warning
Ensure the Mercury Advance System is not exposed to:
1. Excessive heat sources e.g. fires, radiators etc
2. Water, particularly emersion of the pump.
7. Audible Warnings
Audible Warning conditions are indicated by a flashing red display accompanied by an audible warning.
In each case the user should respond by turning the Power Unit’s switch off and investigating the cause.
7.1. High Pressure Audible Warning
This condition could be caused, for example by a kinked Umbilical Hose or visitors, and others,
sitting suddenly on the Mattress.
7.2. Low Pressure Audible Warning
This condition could be caused, for example, by incorrect fitting of the air inlet connector,
opening of the CPR Valve or a leak in the Mattress due to a cut or puncture.
7.3. Mains Failure Audible Warning
If mains power is lost the all Mode lights will turn off. This Audible Warning condition will only be audible.
The red Audible Warning light will not flash.
