Troubleshooting - Buffalo DK772 User Manual

Trouble Shooting
Fault
Unit does not switch on
Unit does not run when the
start button is pressed
Unit is not heating the wash
water
Unit is not heating the boiler
water
Poor washing performance
Appliance cannot be switched
off
Appliance does not drain
Water intake is slow
Possible Cause
No electrical supply to the
appliance.
Door not closed
Controller Faulty
Boiler water level low
Inlet water to hot/cold
Washing tank resistor faulty
due to scale
The thermostat in the reservoir
is faulty.
Boiler resistor faulty due to
scale
Boiler thermostat may be
faulty.
Boiler resistor may be faulty
Detergent Rinse Aid low
Jet nozzles on washing arms
blocked
Filters blocked
Water level low
Glasses being loaded with out
emptying
Glasses may require pre-
washing if excessively soiled.
White marks on glasses can be
caused by hard water
Unit Faulty
Filters blocked
Drain hose and /or drain vent
blocked
Drain Pump not activated (if
fitted)
Water supply is not open
Low Water pressure
Water Outlet Nozzels on
washing arms are blocked
Water inlet hose blocked or
bent
Low pressure due to the
pressure reducer valve on the
water supply line,
16
Solution
Check mains water and electrical
connection is in place and active
Ensure that the door is securely closed
Contact your Buffalo Distributor
Check water is turned on
Ensure inlet water temperature is
between 5 and 50°C
Descale the unit
Contact your Buffalo Distributor
Descale the unit
Contact your Buffalo Distributor
Contact your Buffalo Distributor
Check the detergent and rinse aid
chemicals. If empty replace
Clean jet nozzles on washing/rinsing
arms
Clean the filters.
Make sure that water supply is on
Remove any left-overs / debris in
glasses before loading the basket.
Pre Wash glasses
Contact your Buffalo distributor for
details on using the necessary water
softener.
Isolate the mains electrical supply, and
contact your Buffalo distributor for
technical service
Clean the filters.
Unblock drain hose and/or drain vent
Follow instructions in 'Model with a
Drain pump section of this manual
Ensure water supply is open
Water pressure should be 2-4 bars. If
pressure is low, a booster pump will be
required.
Clean water outlet nozzles on the
washing arms.
Check water inlet hose
Water pressure regulator can be
adjusted / removed by component
engineer