CW/CWH
–
511
MDA
19
disconnect
it
from
the
electrical
mains.
Unscrew
the
screw
A
,
release
the
tang
B
and
lift
it.
Check
that
the
impeller
of
the
drain
pump
underneath
the
cover
turns
freely,
and
is
free
from
dirt,
limescale
residues,
or
pieces
of
glass.
Never
use
tools,
screwdrivers,
scissors,
etc.
E.7
Boiler
heating
malfunction
(does
not
heat
up)
‐
circuit
board
relay
failure
‐
boiler
heating
element
faulty
or
"furred"
with
limescale
‐
boiler
temperature
probe
faulty
or
incorrectly
positioned
E.8
Tank
heating
malfunction
(does
not
heat
up)
‐
circuit
board
relay
failure
‐
tank
heating
element
faulty
or
"furred"
with
limescale
‐
tank
temperature
probe
faulty
or
incorrectly
positioned
E.9
Microprocessor
failure
Replace
circuit
board
Summary of Contents for CW-511 MDA
Page 1: ...PROFESSIONAL DISHWASHER ...