OvEN
aF26 - taNK MiSSiNG or SaFety tHerMoStat
Measure the
electrical conductivity
of the safety
thermostat as shown
in the picture with the
multimeter set to ohm
Restore the cable
harness and test the
oven
Replace the cable
Test
1
Test
3
Test
2
AF26 detergent
tank alarm
Replace the micro
switch
Fit the tank in its
place and test the
oven
End
Replace the safety
thermostat
End
Is the detergent
tank well fitted
in its place?
Has the safety
thermostat
triggered?
Does the alarm
persist?
Do you have
the electrical
continuity?
Do you have
the electrical
continuity?
Do you have
electrical
continuity?
Restart the thermostat and
analyse Possible causes
such as oven installation,
external heating sources,
misplaced temperature
probes, contactors blocked,
damaged power board
Test the
continuity of the
micro switch
Replace the power
board and send a
picture to the UNOX
service department
Wait for the cooling
down of the oven
NO
NO
YES
YES
T
wer
supply and measure
the electrical
continuity of the
micro switch on the
two red cables that
go into the safety
thermostat with the
multimeter set to
ohm
YES
YES
YES
YES
YES
YES
NO
Do you have
electrical
continuity?
NO
NO
YES
NO
NO
Replace the wiring
Do you
have electrical
continuity in the
wiring?
NO
Does the alarm
persist?
NO
Tu
wer
supply. Disconnect the
P22 socket of the
contactor and measure
the electric
continuity between pin
4 and 5 which are in
corresponding to
the
TSA and TSR labels on
the power board with
the multimeter
set to ohm
Check the electrical
continuity of the
cable from the P22
socket to the safety
thermostat plug.
Measure the
continuity PIN to
PIN
151
Содержание MINDMaps BAKERTOP
Страница 1: ...SERVICE MANUAL...
Страница 134: ...Figure 3 test Other visual checks 1 Cooling fan is running 2 Motors stuck by the shaft 3 External heat source OVEN 134...
Страница 138: ...OVEN Test to do Test 1 138...
Страница 139: ...OVEN Pt100 Temperature Probe Resistance table 139...
Страница 141: ...go to INDEX OVEN Test to do Light ON Light OFF Normal power board status AF04 power board status 141...
Страница 150: ...Test to do test 1 Measure the electrical conductivity of the micro switch OVEN 150...
Страница 155: ...163 OVEN Pt100 Temperature Probe Resistance table 155...
Страница 161: ...Test to do test 1Measurethemotorpowersupply from the power baord OVEN test 2Measure the RPM on the P20 socket 161...
Страница 166: ...OVEN test 1 Measure the power supply to the washing solenoid valve 166...
Страница 167: ...OVEN Low pressure status High pressure status Low pressure status High pressure status Test 2 Test 3 167...
Страница 189: ...OVEN Pt100 Temperature Probe Resistance table 189...
Страница 215: ...214...