Ocean MS 4F I User manual

OVEN
SERVICE MANUAL
Model
MS 4F I
Specifications are subject to possible modifications without prior notice.
Les présentes spécifications sont susceptibles d'être modifiées sans préavis.
Las especificaciones estàn sujetas a cambios sin previo aviso
Pictures are only sketches which may be different from your equipment.
Les images sont seulement de croquis qui peuvent être différentes du design de votre équipement.
Las imágenes son sólo los bosquejos que pueden ser diferentes de su equipo.

Ovens Service Manual 60cm – 75cm - 90cm -
90X48cm (EU)
Last U date 09 Se 2019
This document has been published to be used for service only.
The contents are subject to change without notice
CONTENTS
1. SERVICING REQUIREMENTS
1.1 HEALTH & AFETY
1.1.1 Electrical afety
1.1.2 Good Working Practices
1.1.3 Insulation Test
1.1.4 heet Metal Edges
4. TROUBLE SHOOTING GUIDE
4.1 --
4.2 OVEN NOT OPERATIVE
4.3 COOLING FAN PROBLEM
4.4 CONVECTION FAN PROBLEM
4.5 --
4.6 OVEN LIGHT PROBLEM
4.7 --
4.8 DI PLAY PROBLEM
4.9 DOOR HINGE PROBLEM
4.10 BAD COOKING PERFORMANCE
7. COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
7.1 OVEN REMOVAL
7.2 COOLING FAN MOTOR UB TITUTION
7.3 OVEN DOOR REMOVAL
7.4 CONVECTION FAN MOTOR UB TITUTION
7.5 RING ELEMENT UB TITUTION
7.6 UPPER ELEMENT UB TITUTION
7.7 LOWER ELEMENT UB TITUTION
7.8 --
7.9 --
7.10 DOOR GA KET UB TITUTION
7.11 COOKING AFETY OR COOLING FAN THERMO TAT UB TITUTION
7.12 PIT MOTOR UB TITUTION (IF PRE ENT)
7.13 MECHANICAL OR ELECTRONIC THERMO TAT UB TITUTION
7.14 TEMPERATURE PROBE UB TITUTION
7.15 DOOR EXTERNAL GLA AND HINGE UB TITUTION
7.15b DOOR EXTERNAL GLA AND HINGE UB TITUTION (PANORAMIC DOOR)
7.16 WITCH OF FUNCTION UB TITUTION (IF PRE ENT)
7.17 ELECTOR OF FUNCTION UB TITUTION
7.18 WITCH OF FUNCTION UB TITUTION (60CM 75CM – 90CM)
7.18b WITCH OF FUNCTION UB TITUTION (90X48CM)
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7.19 ELECTRONIC TIMER UB TITUTION
7.20 TERMINAL BLOCK UB TITUTION
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Servicing Requirements
1.1
Health & Sa ety
Note: When servicing the oven, health and safety issues must e considered at all times. Specific safety issues
are listed elow with their appropriate icon. These are illustrated throughout the service information to remind
service people of the health and safety issues
1.1.1 Electrical Sa ety
WARNING! TO AVOID ELECTRIC SHOCK!
Do not attem t to service this oven without suitable training and
qualifications.
Ensure the main power has een disconnected efore servicing any part of the oven. If
the power is required to e on for electrical fault finding, then extreme care should e
taken not to make contact with electrical components other than with testing pro es.
Ensure the oven is turned off when removing any electrical component or connection.
1.1.2 Good Working Practices
Ensure the work areas are kept tidy and free of hazards while servicing the
oven. On completion of the servicing, ensure the oven and work areas are
left clean and tidy.
1.1.4 Insulation Test
Megger test to check insulation.
1.1.5 Sheet Metal Edges
When working around cut sheet metal edges use appropriate gloves or
protection to eliminate the chance of receiving a laceration.
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Trou leshooting guide
4.2
Oven not operative
Anomaly Possible Cause Corrective Action section
Oven does not run
No power supplies.
Main reaker or main
fuses
Replace the fuses
--
Short circuit Find the short circuit and remove it.
Check internal connections (short
circuit, interruptions, etc.) --
Oven does not run
Power supply ok.
Display OFF
Connections to the
Electronic Timer
Check the connection or replace the
Electronic Timer 7.19
The Display is ON ut the oven
doesn’t heat.
The temperature
limiting (tripped)
Check if the cooling fan system works
properly and in case replace the
safety thermostat 7.11
Connections to the
function switch
Check the connection or replace the
Switch 7.18
7.18b
The working
thermostat
Check if the thermostat is properly
connected and in case replace the
working thermostat 7.13
Relay on the
Electronic timer
Check the connection or replace the
Electronic Timer 7.19
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Trou leshooting guide
4.3
Cooling Fan Problems
Anomaly Possible Cause Corrective Action section
Fan does not run
No power supplies
Bad connection
Selector roken.
Check the connectors and the
harness.
Replace switch selector 7.17
Cooling Fan
thermostat roken.
(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
assem ly
Check attachment screws on cooling
assem ly or replace fan 7.2
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Trou leshooting guide
4.4
Convection Fan Problems
Anomaly Possible Cause Corrective Action section
Fan does not run
No power supply
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
Noisy fan Lose attachment
screws on assem ly
Check attachment screws
Check nut on working fan for tightness
or replace it --
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Trou leshooting guide
4.6
Oven Light Problems
Anomaly Possible Cause Corrective Action section
The Oven lights are always
OFF.
No power supply.
Bad connection
Selector roken.
Check the connectors and the
harness.
Replace the switch selector 7.17
The Oven lights are always
OFF.
Power supply is ok.
Lamps are urned
out.
Replace lamps. See
User
manual
The Oven lights are always
ON.
Bad connection
Selector contact is
roken or in short
circuit.
Check the connectors and the
harness.
Replace the switch selector 7.17
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Trou leshooting 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. 7.19
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Trou leshooting guide
4.9
Door Hinge Problems
Anomaly Possible Cause Corrective Action section
The door does not close or
there is not sealing etween
door and gasket
Hinges system is
roken or damaged
Replace the units 7.15
7.15b
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Trou leshooting guide
4.10
Bad Cooking Per ormance
Anomaly Possible Cause Corrective Action section
Bad performance Heating elements not
working
Check the connection of the heating
elements --
If there in not power on the heating
elements check 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 the contacts of the switch
selector and replace it if needed. 7.17
Convection fan not
working properly
See the convection fan pro lem
-
There is not sealing
etween door and
gasket
The hinges system is damaged.
Replace the units 7.15
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Com onent re lacement and adjustment rocedure
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 y using the lateral handles.
Lateral Handles (if present)
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1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. A 60cm
C 75 & 90cm
Remove the upper cover.
Disconnect the terminals on the fan.
Remove the eight screws of ventilation duct the fan and lift up the upper section eing careful not to
remove the fontal gasket if present.
Then pull out the lower section and remove the damaged Motor y its two screws A ( laced 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 motor y reversing the previous steps
4. The connections must not e loose.
5. Reinstall the Oven into the ca inet.
6. Reconnect the power supply cord after the Oven is installed.
7. Run the Oven and check all functions.
A- 60cm B- 90 x
48 C- 75cm – 90x60cm
Component replacement and adjustment procedure
7.2
Cooling an motor substitution
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User Manual
7.3
Oven Door Removal
Removing the oven door
The oven door can e removed quickly and easily. To 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 y the raised levers).
·Lift the door upwards and outwards to remove it from its mountings.
To replace fit the door, fit the hinges in their mountings and lower the two levers.
13 di 30

Component replacement and adjustment procedure
7.4
Convection an motor substitution
1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. Remove the rear cover.
3. Remove the fan cover from the cavity (two screws, see pic.).
4. Remove the fan lade pulling it or removing the 10mm fixing nut, depends on model.
5. Disconnect the terminals on 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 holder then mount the fan lade into the cavity.
8. Reassem le the fan cover into the cavity.
9. Connect the terminals on the motor.
10. The connections must not e loose.
11. Reassem le the rear cover and reinstall the Oven into the ca inet.
12. Reconnect the power supply cord after the Oven is installed.
13. Run the Oven and check all functions.
A B
14 di 30

Component replacement and adjustment procedure
7.5
Ring element substitution
1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. Remove the rear cover.
3. Disconnect the terminals of heating element (see pic.).
4. Remove the fan cover from the cavity (two screws, see pic.).
5. Remove the ring element y removing the three screws (see pic.).
6. Replace the ring element.
7. Reassem le the fan cover.
8. Connect the terminals.
9. The connections must not e loose.
10. Reassem le the rear cover and reinstall the Oven into the ca inet.
11. Reconnect the power supply cord after the Oven is installed.
12. Run the Oven and check all functions.
15 di 30

Component replacement and adjustment procedure
7.6
Upper element substitution
1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. Remove the rear and upper covers.
3. Disconnect the terminals of heating element.
4. Ty e A Remove the upper element y removing two screws on the racket, (the screws can be
reached through the u er o ening shown in figure; bend the insulating fiber, in some case it is
necessary to cut it as shown in the ic.).
Ty e B Remove first the two fixing screws in the ack and then the other two into the oven cavity.
5. Extract the ad heater pulling it out from the cavity, then place the new one and secure it with the screws
on the ack side of the oven.
6. Connect the terminals. Pay attention to the sequence of wirings and ground connections. Un end the
insulation.
7. The connections must not e loose.
8. Reinstall the Oven into the ca inet.
9. Reconnect the power supply cord after the Oven is installed.
10. Run the Oven and check all functions.
Ty e A forno da 60 Ty e A forno da 60
Ty e B forno da 75/90 Ty e B forno da 75/90
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Component replacement and adjustment procedure
7.7
Lower element substitution
1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. Remove the rear cover.
3. Pull the tu ular insulators and disconnect the terminals of heating element (see pic. A).
4. Lift the insulation in order to have access to the fixing screw.
5. Remove the screws (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 fi er insulation (see pic. C), connect the terminals and push the tu ular
insulators, the insulating ushes of the heating element must not e visi le.
8. The connections must not e loose.
9. Reassem le the rear cover.
10. Reinstall the Oven into the ca inet.
11. Reconnect the power supply cord after the Oven is installed.
12. Run the Oven and check all functions.
A B
C
17 di 30

Component replacement and adjustment procedure
7.10
Door Gasket substitution
1. Remove the door (see section 7.3) and pull out the gasket y hands.
2. Replace with a new one y reversing the previous steps.
18 di 30

Component replacement and adjustment procedure
7.11
Cooking sa ety or Cooling Fan thermostats substitution
1. Disconnect the power supply cord and remove the Oven from the ca inet.
2. Remove the upper or rear covers.
3. Unscrew the thermostat (see the picture) referring to the electric diagram to identify the thermostat to e
replaced.
4. Replace with a new thermostat y reversing the previous steps.
5. The connections must not e loose.
6. Reinstall the Oven into the ca inet.
7. Reconnect the power supply cord after the Oven is installed.
8. Run the Oven and check all functions.
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