Kleenmaid OMFP6010 User manual
Products documentation
(REVISION DATE: 03/10/2011)
OMFP6010 (60cm PIROLITIC OVEN)
Ovens Service
Manual
Models OMFP6010
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 & SAFETY
1.1.1 Electrical Safety
1.1.2 Good Working Practices
1.1.3 Insulation Test
1.1.4 Sheet Metal Edges
2. TECHNICAL OVERVIEW
2.1 OVEN SPECIFICATIONS
2.1.1 Oven Weight
2.1.2 Power Rating
2.2 SERIAL PLATE
2.2.1 Location
2.2.2 Model and Serial Number
2.3 COMPONENT SPECIFICATIONS
2.3.1 Heating Elements
2.3.2 Motors
2.3.3 Electric Components
2.4 SYSTEM DESCRIPTION
2.5 OVEN MODEL CONFIGURATION
2.6 MANUAL TEST
2.6.1 How to Verify the Correct Selection
2.6.2 How to Check ther Oven Hardware
2.7 DESCRIPTION OF ELECTRONIC CONTROL
2.8 FAULT NUMBERS
2.9 OVEN SAFETY FUTURES
2.9.1 Child – Safe Locking System
2.9.2 Thermostat
2.9.3 Double – Speed Thermostat
2.9.4 Safety Thermostat
4. TROUBLE SHOOTING GUIDE
4.1 ERROR MESSAGE
4.2 OVEN NOT OPERATIVE
4.3 COOLING FAN PROBLEMS
4.4 CONVECTION FAN PROBLEMS
4.5 DOOR LOCK PROBLEMS
4.6 OVEN LIGHT PROBLEMS
4.7 SELECTORS PROBLEMS
4.8 DISPLAY PROBLEMS
4.9 DOOR HINGES PROBLEMS
4.10 BAD COOKING PERFORMANCE
7. COMPONENT REPLACEMENT 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
7.7 LOWER ELEMENT SUBSTITUTION
7.8 LOCK DOOR MOTOR SUBSTITUTION
7.9 LOCK DOOR MOTOR SWITCH SUBSTITUTION SOLUTION
7.10 DOOR GASKET SUBSTITUTION
7.11 COOKING SAFETY THERMOSTAT SUBSTITUTION
7.12 RESISTOR 800ΩSUBSTITUTION
7.13 PIRO SAFETY THERMOSTATS SUBSTITUTION
7.14 PROBE TEMPERATURE SUBSTITUTION
7.15 DOOR HINGES SUBSTITUTION
7.16 DOOR HINGES BOX SUBSTITUTION
7.17 SWITCH OR SELECTORS OF FUNCTIONS SUBSTITUTION
7.18 TEMPERATURE SELECTOR SUBSTITUTION
7.19 ELECTRONIC CONTROL SUBSTITUTION
7.20 DOOR EXTERNAL GLASS SUBSTITUTION
7.21 DOOR INTERNAL GLASS SUBSTITUTION
Servicing Requirements
1.1
Health & Safety
Note: When servicing the oven, health and safety issues must be considered at all times. Specific safety
issues are listed below 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 Safety
WARNING! TO AVOID ELECTRIC SHOCK!
Do not attempt to service this oven without suitable training and
qualifications.
Ensure the main power has been disconnected before servicing 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 probes.
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.
Technical Overview
2.1
Oven Specifications
2.1.1 Oven Weight
Single 24”
lbs /Kg =97/44
2.1.2 Power rating
TECHNICAL DATA
OVENS Electrical Ratings and Maximum Connected
Load
@ 230-240 Volts 50/60Hz
Amperes Watts
SINGLE
CONV OMFP601
012,75 3000
Technical Overview
2.2
Serial Plate
2.2.1 Location
The product serial number plate is located on the left side profile trim.
2.2.2 Model & Serial Number
The numbers printed on the plate contains the following information:
Technical Overview
2.3
Components Specifications
2.3.1 Heating
Elements Volts Freq. Watts Note
Broil 240 -- 2000+1000
Bottom 240 -- 1200+400
Ring (if present) 240 -- 2500
2.3.2 Motors Volts Freq. Watts Note
Convection Fan 220-
240 50/60 24-28
Cooling Fan 220-
240 50/60 23/28
Door Lock Motor 220-
240 50/60 3
Rotating Spit
Motor 230 50/60 4(if present)
2.3.3 Electric
Components Volts AWatts Note
Door Lock Motor
Switch 250 16 --
Lamp 240 -- 25
Piro Safety
Thermostat 250 16 --
Cooking Safety
Thermostat 250 16 --
Cooling Fan
Thermostat 250 16 --
Probe
Temperature 5V -- --
Technical Overview
2.4
System Description
ELECTRONIC CONTROL. The control consists of a main power located on display board.
COOKING MODE & TEMPERATURE SELECTORS. All ovens have one selector for the cooking
modes and one for the set temperature.
TEMPERATURE SENSOR. There is one Pt1000 sensor, fixed on the rear wall outside the cavity.
HEATING ELEMENTS. Four heaters are available in multifunction ovens while the ring element is
missing in the thermal ones. They are combined together in different ways, depending on the
selected mode, but the maximum power never overtakes 3000W.
oUPPER ELEMENT 2000+1000W at 240V.
oLOWER ELEMENT 1200+400W at 240V.
oRING ELEMENT 2500W at 240V.
CONVECTION FAN. This fan is available in multifunction cavities; it works always at the same
speed in all convection modes, self-clean and dehydrate.
COOLING FAN SYSTEM. A cooling fan keeps the internal parts temperature within acceptable
values, and removes smoke from the cavity through the catalyser. There is a 70°C by-pass
thermostat that shorts this resistor when the temperature overtakes the threshold, switching the
cooling fan into its full speed. This normally occurs during self-clean only.
OVEN LIGHTS. Incandescent 230V lamps. They turn on when a cooking mode starts.
DOOR LATCH SYSTEM. A motor actuates the latch mechanism to lock or unlock the door. The
motor always rotates in the same direction, and it’s the mechanism that determines the locking or
unlocking phases. They take about the same time to complete the half cycle. A changeover micro
switch placed right on the motor shaft and actuated by a 180° cam provides the electronics with the
latch position information.
Technical Overview
2.5
Oven Model Configuration
The manual test procedure must be completed and confirmed as per the instructions in this section.
At every POWER-UP, the control runs a latch auto-test cycle. The lock icon flashes while the latch is
moving.
Keep the [MODE] knob to the 0 position (see Figure 1).
1. Hold [TEMP & TIME] knob for about 5 seconds until all the display elements turn on.
2. Press[TEMP & TIME] and release the knob again, all the display elements turn OFF.
3. Press [TEMP & TIME] the display shows the “Configuration Model”
4. Press [TEMP & TIME] the display shows the “Software Version”
The model is set by connector (see picture 2) that must be placed in the same location
in case of control substitution.
Type
Num
ber
of
Func
tions
Mo
del Configurat
ionModel Software
Version 001 02 03 04 05 06 07 08 09 10
Therm
al 8M
A0
1
00 5
Conve
ction 8
M
A0
2n002
M
A0
3
Conve
ction 10
M
A0
5n005
M
A0
6
Therm
al 5M
A0
8
Figure 1
Picture 2
Technical Overview
2.6
Manual Test
IMPORTANT: The MANUAL TEST procedure can be activated only after power on.
To enter in the MANUAL TEST follow the same procedure as the Configuration section 2.5
2.6.1 How to verify the correct selection
At power-up, the control runs a latch auto-test; lock symbol flashes while the latch is moving. Wait for the auto-
test end. When the control is powered for the first time the display is blinking.
1.Hold [TEMP & TIME] knob for about 5 seconds until all the display elements turn on.
2.Press[TEMP & TIME] and release the knob again, all the display elements turn OFF.
3. Press [TEMP & TIME] the display shows the “Configuration Model”
4.Press [TEMP & TIME] the display shows the “Software Version”
2.6.2How to check Single oven hardware
Turn the knob [MODE] to the cooking mode.
1. Press and release [TEMP & TIME] knob, the display automatically shows:
“Ther”
check that the heating elements are energized (2200W or 2500W for ring element if the model is MA06)
2. Press and release [TEMP & TIME] knob, the display automatically shows:
“Au 1”
check that all fans and lights are energized.
3. Press and release [TEMP & TIME] knob twice, the display automatically shows:
“Au 2”
pass does not use.
4. Press and release [TEMP & TIME] knob, the display automatically shows:
“ALLc”
check that the heating elements + fans and lights are energized (2200W or 2500W for ring element if
the model is MA06 + auxiliary)
5. Press and release [TEMP & TIME] knob, the display automatically shows:
“ALLo”
check that the heating elements + fans and lights are not energized.
6. Press and release [TEMP & TIME] knob, the display automatically shows the temperature value:
“000°”
7. Press and release [TEMP & TIME] knob, the display automatically shows the real temperature
value:
“ 25°” (Example)
In case of Failure.
E010= Probe temperature disconnected or circuit interrupted.
E020= Probe temperature in short circuit
E030= Voltage reference uncorrected on electronic board.
8. Turn the knob [MODE] to the position.
9. Press and release [TEMP & TIME] knob the display automatically shows:
“Pr00”
Turn the knob [MODE] clockwise and check that the values correspond to the position of selector [Pr00
for 0, Pr01 for first, etc.......]
10. Press and release [TEMP & TIME] knob the display automatically shows:
D0L0= (latch door mechanism opened)
D0L1= (latch door mechanism closed)
11. Turn the knob [TEMP & TIME] anticlockwise until the buzzer emits 5 sounds, the
display shows the time confirming the end of manual test.
12. Press and release [TEMP & TIME] knob ones time the clock stops blinking.
Turn the knob [MODE] to the each position to verify all functions:
LightCooling
fanConvection
fanSpit
motor
Lock
door
motor
Ext.
Upper heating
element
Int.
Upper heating
element
Ext.
Lower
heating
element
Int.
Lower
heating
element
Ring
element
X
XXX
XX
1000W
1200W
X
1000W
1200W
XXX
1000W
1200W
XX
1200W
XX
1200W
XXX
2500W
XXX
1200W
XX
2000W
XX
X
2000W
XX
1000W2000W
XXX
2000W
XX
X
2000W400W
During the Self Cleaning Cycle check latch mechanism.
The lock symbol ( ) on the display is:
ON When the door is fully locked
OFF When the door is fully unlocked
FLASHING When the latch mechanism is moving. (After self clean the symbol will flash until the
temperature will be safe and the door
unlocked).
Turn the knob [MODE] to the position, and when the lock door is completely unlocked is possible
disconnect the oven.
Technical Overview
2.7
Description of Electronic Control
The drawing on the previous page explains how the electronic boards work. Each relay function is
described and the connector of sensor is also shown.
Technical Overview
2.8
Fault Numbers
Faults N°
Temperature sensor broken. E1
Temperature sensor shorted. E2
Temperature sensor circuit failure. E4
Latch time-out overflow. E8
Free. E16
Free E32
Mode selector disconnected. Cannot be reset. E64
Sum of error codes simultaneously detected. OTHER
The control is continuously checking the status of the system. If an abnormal condition is detected for more
than 1 minute, a failure occurs:
- The heaters and the other loads are disabled.
- The display shows a “E” letter followed by a numeric code that depends on the kind of failure.
- The control emits an acoustic warning signal.
To reset a failure declaration, first remove the cause of the failure then turn the selector to (ZERO) OFF.
Technical Overview
2.9
Oven Safety Features
2.9.1Child - safe locking system
All of our ovens are built-in child-safe locking systems. The feature is automatically enabled any
time the appliance is connected to the power, any time the switch is turned on and any time the
oven is programmed to run a self-cleaning of the cavity.
The same future it can be is used on the manual mode in the household where a minor is present
to prevent children from getting in touch with hot parts. The function of this future is explained in
details on the manual .
2.9.2Thermostat
All of our ovens are built with three bi-metal mechanical thermostats for each cavity. The
thermostats are mounted in contact with the metal sheet on top of each cavity.
2.9.3Double Speed Thermostat
The double speed thermostat is acting in conjunction with the by-pass resistor and is connected in
parallel with it.
In the regular cooking mode when the read temperature at the surface of the metal sheet in
under 158 °F(70 °C) the power is flowing trough the resistor and it feeding the cooling fan with a
voltage lower than nominal .
If the temperature of 158 °F(70 °C) is depassed, the thermostat is closing the circuit and the
resistor is by-passed and now we can read at the poles of the cooling fan motor the full voltage of
installed AC 230V and the RPM of the cooling fan will almost double.
The reset is automatic when the temperature at the surface of the metal sheet decreases under
the 158 °F(70°C) and the cooling fan is reducing the RPM at the manufacturer factory set-up.
RPM = rotation per minute
2.9.4Safety Thermostat
The function of the safety thermostat is to protect the of the oven from over heating in the event of a
malfunction of the cooling fan.
Description:
In the regular cooking mode when the read temperature at the surface of the metal sheet in
under 220°F (105 °C) the power is energizing the electronics and the heating elements as
well.
In the Self Cleaning mode when the read temperature at the surface of the metal sheet in
under 310 °F (155 °C) the power is energizing the electronics and the heating elements as
well.
In the event that the temperature is rising over the limits, the thermostat will switch mechanically
from off position to on position and all of the heating elements will be cut of from the power. All of
the electronics will be still powered.
The reset is automatic when the cooling fan was replaced or the cooling fan problem was solved
and the temperature is in the right functioning parameters.
Troubleshooting guide
4.1
Error Message
Code Error Description Possible Cause Corrective Action section
E1 Temperature
sensor
broken.
The control
reads out of
range values.
Bad connection
Temperature sensor
broken.
Check the connectors and
the harness Replace the
sensor 7.14
E2 Temperature
sensor
shorted.
Bad connection
Temperature sensor
broken.
Check the connectors and
the harness Replace the
sensor 7.14
E4 Bad power
board
Bad connection
Temperature sensor
broken.
Check the connectors and
the harness Replace the
sensor 7.14
E8
Latch
mechanism
time-out
overflow
The control
can’t perform
any locking or
unlocking
cycle within
the maximum
allowed time.
Latch mechanism
problem.
Latch motor problem Replace the motor 7.8
Defective latch micro
switch Replace the micro switch 7.9
Bad connections Check the motor
connections and the micro
switches connections --
E64
Mode selector
disconnected
The control
can’t perform
any cooking
mode.
Bad connection
Selector broken. Check the connectors and
the harness.
Replace selector 7.17
Failure declarations and error codes
The control is continuously checking the status of the system. If an abnormal condition
is detected for more than 1 minute, a failure occurs:
The heaters and the other loads are disabled.
The display shows a “E” letter followed by a numeric code that depends on the
kind of failure.
The control emits an acoustic warning signal.
To reset a failure declaration, first remove the cause of the failure then turn the selector
to (ZERO) OFF.
Troubleshooting guide
4.2
Oven not operative
Anomaly Possible Cause Corrective Action section
Oven does not run
No power supply
Main breaker 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.
Connections to the
Electronic Control
Replace Electronic Control 7.19
Troubleshooting guide
4.3
Cooling Fan Problems
Anomaly Possible Cause Corrective Action section
Fan does not run
No power supply
800Ωresistor
broken
Replace 800Ωresistor
7.12
Bad connection
Selector broken. Check the connectors and the
harness.
Replace switch selector 7.17
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
The cooling fan is always on
The control is
measuring a high
temperature inside
the cavity
Check all the connections between
the sensor and the Display Control. --
Check the probe temperature sensor
7.14
Troubleshooting 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 cooling
assembly
Check attachment screws
Check nut on working fan for
tightness or replace it
--
Troubleshooting guide
4.5
Door Lock Problems
Anomaly Possible Cause Corrective Action section
Door lock control does
not run
No power supply.
Bad connection
Selector broken. Check the connectors and the
harness.
Replace switch selector 7.17
Motor latch micro switch
not switching. Replace the motor micro switch.
7.9
Door lock control does
not run
Power supply ok.
Locked rotor. Replace motor. 7.8
Burned coil. Replace motor. 7.8
Noisy.
Defective mounting of
door lever mechanics. Check lever mechanism of door lock.
Lubricate all working parts with
silicon grease --
The control doesn’t
unlock the door after self
cleaning and the lock
symbol on the display is
steadily on.
The Oven temperature is
still beyond the safety
unlock value.
Wait for the temperature to drop
below the threshold. --
Check all the connections between
the sensor and the Electronic
control. --
Check the temperature sensor.
If is damaged, replace it. 7.14
Check the Electronic Control.
If is damaged, replace it. 7.19
The Oven had been
locked by means of the
child lock procedure.
Use the same procedure to unlock
the door.
--
The control doesn’t
unlock the door after self
cleaning and the lock
symbol on the display is
always flashing.
Door lever mechanism
locked Check lever mechanism of door
latch.
Lubricate all working parts with
silicon grease --
Troubleshooting guide
4.6
Oven Light Problems
Anomaly Possible Cause Corrective Action section
The Oven lights are always
OFF.
No power supply.
Bad connection
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 lights are always
ON.
Bad connection
Selector contact is
broken or in short
circuit.
Check the connectors and the
harness.
Replace the switch selector 7.17
Troubleshooting guide
4.7
Selector Problems
Anomaly Possible Cause Corrective Action section
Every cooking mode accepts
only the preset temperature.
The control cannot
read the
temperature
selector.
Check the connections between the
selectors and the Electronic Control.
--
Check and eventually replace the
selector itself.
7.18
Check and eventually replace the
Electronic Control.
7.19
The control doesn’t accept
any cooking mode.
The control cannot
read the cooking
modeselector.
Check the connections between the
selectors and the Electronic Control.
Check and eventually replace the
selector itself.
7.17
Check and eventually replace the
Electronic Control.
7.19
Any or some cooking mode
performed The contacts of
selector do not
switch..
Check the connections between the
selectors and the Electronic Control.
Check and eventually replace the
selector itself.
7.17
Check and eventually replace the
Electronic Control.
7.19
Troubleshooting guide
4.8
Display Problems
Anomaly Possible Cause Corrective Action section
The display is always dark,
the latch at power up doesn’t
work
The power supply is
not working.
Check and eventually replace the
Electronic Control.
7.19
Troubleshooting guide
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
7.15
The hinges support
in the box is broken
or damaged
Replace the units
7.16
Troubleshooting guide
4.10
Bad Cooking Performance
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
Display Control.
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 problem
-
There is not sealing
between door and
gasket
The hinges system or the hinges
support in the box are damaged.
Replace the units
7.15
7.16
Component replacement and adjustment
procedure
7.1
Oven removal
1. Disconnect the power
supply cord
2. Remove the screws
shown in the pictures.
3. Pull off the oven.
4. Remove the oven by
using the lateral handles.
Lateral Handles (if present)
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