ES-220 RACK CONVEYOR DISHWASHER – JUNE 2011
11
reverse wiring of 2 phases at the
power supply.
PROBLEM
POSSIBLE CAUSE AND REMEDY
Incorrect temperature of
(a) Check thermostat setting.
wash tanks
(b) Check heating elements.
(c) Check contactors.
Insufficient rinse
(a) Check that water pressure to
machine is not less than 200 kPa. If
so, ensure that the water isolating
valve is fully open.
(b) Check rinse jets for foreign
matter and clean if necessary.
(c) Check that the water supply
solenoid valve is functioning
correctly.
(d) Check that the line strainer is
not partially blocked. If so, remove
and clean filter.
Insufficient rinse
(a) Check that thermometer reading
Temperature
is correct and thermometer is not
faulty.
(b) Ensure that temperature of
incoming water supply is between
60
°
and 65
°
C.
(c) Check that boiler thermostat is
set correctly and functioning.
(d) Check element controls as
appropriate.
