background image

Troubleshooting guide

4.3

Cooling Fan Problems

Anomaly

Possible Cause

Corrective Action

section

Fan does not run
No power supplies

Bad connection
Selector broken.

Check the connectors and the
harness.
Replace switch selector

7.17

Cooling Fan
thermostat broken.
(contact opened)

Replace the cooling fan thermostat

7.11

Fan does not run
Power supply ok.

Blocked rotor

Replace fan

7.2

Burned coil

Replace fan

7.2

Noisy fan

Lose attachment
screws on cooling
assembly

Check attachment screws on cooling
assembly or replace fan

7.2

5 di 30

Содержание MS 4F I

Страница 1: ...susceptibles d tre modifi es sans pr avis Las especificaciones est n sujetas a cambios sin previo aviso Pictures are only sketches which may be different from your equipment Les images sont seulement...

Страница 2: ...T AND ADJUSTMENT PROCEDURE 7 1 OVEN REMOVAL 7 2 COOLING FAN MOTOR SUBSTITUTION 7 3 OVEN DOOR REMOVAL 7 4 CONVECTION FAN MOTOR SUBSTITUTION 7 5 RING ELEMENT SUBSTITUTION 7 6 UPPER ELEMENT SUBSTITUTION...

Страница 3: ...7 19 ELECTRONIC TIMER SUBSTITUTION 7 20 TERMINAL BLOCK SUBSTITUTION 2 di 30...

Страница 4: ...ervicing any part of the oven If the power is required to be on for electrical fault finding then extreme care should be taken not to make contact with electrical components other than with testing pr...

Страница 5: ...Electronic Timer Check the connection or replace the Electronic Timer 7 19 The Display is ON but the oven doesn t heat The temperature limiting tripped Check if the cooling fan system works properly...

Страница 6: ...eck the connectors and the harness Replace switch selector 7 17 Cooling Fan thermostat broken contact opened Replace the cooling fan thermostat 7 11 Fan does not run Power supply ok Blocked rotor Repl...

Страница 7: ...Bad connection Mode selector not switching Check the connectors and the harness Replace switch selector 7 17 Fan does Not run Power supply ok Blocked rotor Replace fan 7 4 Burned coil Replace fan 7 4...

Страница 8: ...Selector broken Check the connectors and the harness Replace the switch selector 7 17 The Oven lights are always OFF Power supply is ok Lamps are burned out Replace lamps See User manual The Oven ligh...

Страница 9: ...ting guide 4 8 Display Problems Anomaly Possible Cause Corrective Action section The timer display does not function The power supply is not working Check and eventually replace the Electronic Timer 7...

Страница 10: ...de 4 9 Door Hinge Problems Anomaly Possible Cause Corrective Action section The door does not close or there is not sealing between door and gasket Hinges system is broken or damaged Replace the units...

Страница 11: ...heck relays on the electronic timer If the electronic control relay not switching replace the units 7 19 Check the power on the heating elements and replace the elements if needed 7 5 7 6 7 7 Check th...

Страница 12: ...ment procedure 7 1 Oven removal 1 Disconnect the power supply cord 2 Open the oven door 3 Remove the screws shown in the picture 4 Pull out the oven 5 Remove the oven by using the lateral handles Late...

Страница 13: ...he damaged Motor by its two screws A placed at the bottom of the fan B Remove the small upper cover Disconnect the terminals on the fan Remove the four screws of ventilation fan motor 3 Replace the mo...

Страница 14: ...o do so proceed as follows Open the door fully Lift the two levers shown in fig Close the door as far as the first stop caused by the raised levers Lift the door upwards and outwards to remove it from...

Страница 15: ...n the fan in the rear side 6 Remove the motor rotating it clockwise or on some other models removing the three fixing screws see pic on the motor holder and remove it 7 Mount the new fan motor on the...

Страница 16: ...e pic 4 Remove the fan cover from the cavity two screws see pic 5 Remove the ring element by removing the three screws see pic 6 Replace the ring element 7 Reassemble the fan cover 8 Connect the termi...

Страница 17: ...t as shown in the pic Type B Remove first the two fixing screws in the back and then the other two into the oven cavity 5 Extract the bad heater pulling it out from the cavity then place the new one a...

Страница 18: ...if present near the external terminals see pic B 6 Pull out the heating element and replace it pay attention to the positioning of the element 7 Fix the screws place correctly the fiber insulation se...

Страница 19: ...nent replacement and adjustment procedure 7 10 Door Gasket substitution 1 Remove the door see section 7 3 and pull out the gasket by hands 2 Replace with a new one by reversing the previous steps 18 d...

Страница 20: ...he upper or rear covers 3 Unscrew the thermostat see the picture referring to the electric diagram to identify the thermostat to be replaced 4 Replace with a new thermostat by reversing the previous s...

Страница 21: ...e Oven from the cabinet 2 Remove the upper cover 3 Remove the rear cover 4 Disconnect the wires and remove the two fixing screws on order to remove it 5 The connections must not be loose 6 Reinstall t...

Страница 22: ...d screws to remove the stainless steel cover B Unscrewing the 2 highlighted screws to remove the stainless steel cover 5 Disassemble the cavity probe by its two clamps 6 Remove the thermostat body by...

Страница 23: ...r cover or lateral cover depends where the probe is placed 3 To remove the probe shift the insulation fiber and remove the fixing screw pic 3 4 Replace with a new oven probe by reversing the previous...

Страница 24: ...the highlighted screws and lift the glass from the bottom of the door 4 Remove also the handle by its screws 5 To remove the hinges unscrew the screws marked with the rim and remove the rubber pads m...

Страница 25: ...hes 3 Press in the same time the two plastic buttons and remove the profile fig 1 4 Remove also the handle by its screws 5 To remove the hinges unscrewing the screws showed and remove it in the direct...

Страница 26: ...3 Disconnect the terminals from the switch fig 3 4 Pull the switch and remove also its holder fig 4 5 Replace with a new switch by reversing the previous steps 6 PAY ATTENTION TO THE WIRING SEQUENCE...

Страница 27: ...supply cord and remove the Oven from the cabinet 2 Remove the upper covers 3 Remove selector from the switch 4 Replace the new one by reversing the previous steps 5 Reinstall the Oven into the cabinet...

Страница 28: ...el A Unscrewing the 2 highlighted screws to remove the stainless steel cover B Unscrewing the 2 highlighted screws to remove the stainless steel cover A Glass B Stainless Steel 4 Remove the SWITCH bod...

Страница 29: ...e knob Fig A 3 A Remove the knobs and the keys if present from control panel B Unscrew the 4 highlighted screws to remove the frontal panel A Screws of switch B Stainless Steel 4 Remove the SWITCH bod...

Страница 30: ...cabinet 2 Remove the upper cover 3 Remove the knobs and the control panel see section 7 18 or 7 18b 4 Disconnect the bad electronic timer and remove it by the its plastic brackets 5 Replace with a new...

Страница 31: ...ressing the 3 latches then extract it Fig 3 Replace the power cord if it is damaged 5 Insert the new terminal block into the rear cover and secure it by the two screws on the outside then close the co...

Страница 32: ...ice Direzione Commerciale Amministrativa Via Sanvito Silvestro 55 21100 Varese ITALY Tel 39 0332 296011 fax 39 0332 296012 Sede Legale via Leone XIII n 14 20145 Milano ITALY Cap Soc Euro 2 500 000 00...

Отзывы: