Unox MINDMaps BAKERTOP, Service Manual

Page: 182 / 216

OvEN
wF34 eG1 or el2 ValVe
WF34 EG1 or EL2
valve
EG1 or EL2 valve do not
close
Replace the power
board
NO
Replace the open
valve
YES
Fix the leaking point YES
Test 3
NO
Replace the power
board
YES
NO
YES
Replace the
pressure switch
NO
EL2 valve is the most probable cause of
this warning
Check with the
mul€meter set to V AC if the
power board supplies 230 V AC
to the water solenoids.
Are the EG1 or
EL2 supplied?
Check visually
if there is any leakage
from the cleaning circuit.
Is there any
leakage?
Test if the
pressure switch closes
the circuit with the mul€meter
set to ohm. Does
it close the
Take out both
the EG1 and EL2 valves and
check if they are blocked open by
blowing through
them. Are the
valve open?
WF34 EG1 or EL2
valve
EG1 or EL2 valve do not
close
Replace the power
board
NO
Replace the open
valve
YES
Fix the leaking point YES
Test 3
NO O
Replace the power
board
YES
S YES
Replace the
pressure switch
NO O
EL2 valve is the most probable cause of
this warning
Check with the
m mul€meter set to V AC if thhee
power board supplies 230 V AC
to the water solenoids.
Are the EG1 or
EL2 supplied?
Check visually
if there is any leakage
from the cleaning circuit. from the cleaning circuit.
Is there any
leakage?
Test if the
pressure switch closes
the circuit with the mul€meter th
set to ohm. Does
it close the
Take out both
the EG1 and EL2 valves and th EG1 d EL2 l d
check if they are blocked open by
blowing through
them. Are the
valve open? valve open?
Update the software with
the latest version available
and run a washing program.
SUSPENDED
182