Front Loading Utensil Washer Disinfector (WDF)
Operation, Maintenance and Installation Manual
Issue 1
Page
19
20/01/2022
6.0
Maintenance
All maintenance; preventative or breakdown shall be carried out by a qualified person. Failure to comply
with this condition may result in unsafe conditions.
Preventative maintenance must be completed as per instructions below. Failure to comply may result in warranty
claims being rejected.
The Malmet Front Loading Utensil Washer Disinfector is self-cleaning; however, proper care should be taken to ensure
that the device is cleaned and maintained in accordance with maintenance instructions, regulatory requirements and
common sense practices.
Preventative maintenance schedule
6.1
Daily maintenance (operator or maintenance technician)
a)
Run the device through a cycle to bring to operating temperature and disinfect the internal wash chamber area (do not
load any items).
b)
Wipe out the inside of the door and chamber with warm water and detergent. A wipe with disinfectant is also
desirable.
c)
Wipe over external stainless steel panels with a stainless steel cleaner (do not get cleaner on the control panel).
d)
Wipe the front control panel with a soft cloth and mild detergent as necessary. Care should be taken not to damage
the digital display or to activate a cycle (turn off power at control panel).
e)
Check tank mesh filter, remove and clean if soiled.
f)
Check level in detergent bottle, replenish as necessary.
g)
Visually inspect for signs of leaking fluid from the device, as these may pose a pathogenic risk. Inspect around the
chamber door, beneath the device and service connection points. If a spill or leak is observed, clean up as per the
facility’s infection control procedure and notify a maintenance technician to fix the cause of the leak
.
6.2
Bi-monthly maintenance (maintenance technician)
WARNING 240/415 VOLTS!
ISOLATE DEVICE FROM ELECTRICAL SUPPLY BEFORE SERVICING
HOT SURFACES!
ALLOW DEVICE TO COOL PRIOR TO COMMENCING SERVICE WORKS
a)
Inspect for steam or fluid leaks, tighten hose clamps and glands where necessary.
b)
Check wash arms for free rotation.
c)
Check spray nozzles in wash arms are not blocked, insert a small pin into the orifice of the spray nozzle to ensure no
blockages are present. If a build-up or blockage is detected, a technician should clean nozzles as per cleaning
instructions below to ensure adequate performance.
d)
Remove temperature probe and clean off any residue or build up.
e)
Visually inspect build-up of residue in tank, especially in locations with poor water quality.
f)
Check filter in the water inlet solenoid valve and clean as necessary.
g)
Check all electrical connections, and tighten if necessary.
