Frigidaire PLCF489CCF Guida utente

SERVICE DATA SHEET 318047205 (0104) Rev. A

Electric and Dual-Fuel (Gas Cooktop with Electric Oven) appliance with ERC III Electronic Oven Control

NOTICE

This service data sheet is intended for use by persons having electrical and mechanical training and a level of

knowledge of these subjects generally considered acceptable in the appliance repair trade. The manufacturer

cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the use

of this data sheet.

To avoid the possibility of personal injury and/or property damage, it is important that safe servicing practices be

observed. The following are some, but not all, examples of such practices.

1. Do not attempt a product repair if you have any doubts as to your ability to complete it in a safe and satisfac-

tory manner.

2. Before servicing or moving an appliance, remove power cord from electric outlet, remove fuse or trip circuit

breaker to Off, and turn off gas supply.

3. Never interfere with the proper installation of any safety device.

4. USE ONLY REPLACEMENT PARTS SPECIFIED FOR THIS APPLIANCE. SUBSTITUTIONS MAY DEFEAT COMPLI-

ANCE WITH SAFETY STANDARDS SET FOR HOME APPLIANCES.

5. GROUNDING: The standard color coding for safety ground wires is GREEN OR GREEN WITH YELLOW STRIPES.

Ground leads are not to be used as current carrying conductors. IT IS EXTREMELY IMPORTANT THAT THE

SERVICE TECHNICIAN REESTABLISH ALL SAFETY GROUNDS PRIOR TO COMPLETION OF SERVICE. FAILURE

TO DO SO WILL CREATE A POTENTIAL HAZARD.

6. Prior to returning the product to service, ensure that:

• All electric connections are correct and secure.

• All electrical leads are properly dressed and secured away from sharp edges, high-temperature compo-

nents, and moving parts.

• All uninsulated electrical terminals, connectors, heaters, etc. are adequately spaced away from all metal

parts and panels.

• All safety grounds (both internal and external) are correctly and securely reassembled.

• All panels are properly and securely reassembled.

SAFE SERVICING PRACTICES

1. This self-cleaning controller offers Bake, Broil, Preheat or Convection Baking/Roasting modes, Timed and

Delayed Baking and Cleaning functions.

2. Convection operates with a fan dedicated to convection and a convection element on some models.

NOTE: THE ERC III'S ARE NOT FIELD REPAIRABLE. ONLY TEMPERATURE SETTINGS CAN BE CHANGED.

See Oven Calibration.

NOTE: Depending on model, the size and shape of touch pads may vary. (For example, eliptical instead of

round). Some models may also have round push buttons instead of touch pads.

Because heat is more evenly distributed in convection mode, foods can be cooked at lower temperatures. In order

to allow the consumer to bake per their existing methods, there is a negative offset temperature of 25°F/13.5°C in

the programming of the control. This means that when the consumer sets the control for 375°F/ 190°C , the actual

oven temperature is cycling at 350°F/ 176°C.

The convection oven uses the addition of a fan and a convection element (some models) to heat and to move the

air already in the oven. Moving the heated air helps to destratify the heat and cause uniform heat distribution.

Cooking times can be reduced by as much as 30%. The air is drawn in through a fan shroud located on the rear

wall of the oven. It is then discharged around the outer edges of this shroud. The air circulates around the food

and then enters the shroud again. As with conventional electric ranges, there is still an oven vent which discharges

through the rear or the sides of the cooktop.

To set the control in convection mode, follow these steps:

1. Press the CONV. BAKE/ROAST pad.

2. Enter the desired temperature on the keypad (setpoint).

3. Press the START pad.

The oven will automatically start and the fan will begin to run. To cancel the convection baking/roasting function,

press the CANCEL pad.

NOTE: The fan runs continuously while in the convection mode. The fan will stop if the door is opened while

convection baking/roasting. The heating element will continue to operate IF the door IS openED.

ERC III ELECTRONIC OVEN CONTROL

PREHEAT

CONV

BAKE/ROAST

STOP

TIME

BAKE

TIME

CLEAN

CLOCK

VARI

BROIL

CLEAR

BAKE

TIMER

ON/OFF

88:88

888

DELAY BAKE TIMER

TIMER

BROIL

DELAY

CLEAN

BROIL

DELAY

CLEAN

CONV

BAKE

LOCKED

CONV

BAKE

LOCKED

CLN STOP

CONVECTION MODE (some models)

CONVECTION MODE OVEN TEMPERATURE (some models)

When the control is set to the convection bake/roast function, the fan immediately comes on. The oven then

energizes the convection element for 5 to 15 seconds and switches to the bake element. This switching continues

until the oven setpoint is reached. At this point the control modifies the timing for the bake and convection

elements to achieve maximum performance.

For the first 15 to 30 seconds of every minute after the setpoint is reached, the convection element is energized.

For a few seconds both elements are turned off. The bake element is then turned on for the remaining time of the

minute. This cycle is repeated for the duration of the cooking period.

CONVECTION CYCLING WITH CONVECTION AND BAKE ELEMENTS (some models)

Before set point is reached After set point is reached

Approximate Times

1 = Convection 15-30 sec/min

2 = Both OFF

3 = Bake 30-45 sec/min

BAKE

3OFF

CONVECTION

Setpoint

1 = Convection 5-15 sec/min

2 = Both OFF

3 = Bake 44-54 sec/min

BAKE

3OFF

CONVECTION

Set EOC for conventional bake at 350oF/177oC. Using a portable thermocouple, obtain an average oven tempera-

ture after a minimum of 5 cycles. Press CANCEL to end bake mode. Touch the BAKE pad. Set temperature to

maximum (550oF/288oC). Quickly (within two seconds), press and hold the BAKE pad until the special two digit

display appears. Release the BAKE pad.

NOTE: The display indicates the offset temperature from original factory setting. Original setting will read "00".

The temperature can now be adjusted up or down 35oF/21oC, in 5oF/3oC increments, by pressing the up or down

arrow pad. Press the pad until the desired amount of offset appears in the display. A minus sign (-) will appear

before the number to indicate the oven will be cooler by the displayed number of degrees.

NOTE: Changing calibration effects both conventional and convection modes.

PREHEAT (some models)

During a preheat mode, the oven uses the bake element to reach the ERCIII set point. The element uses full

power when it's on. When the set point is reached, the preheat mode is converted in a normal bake mode.

During a normal bake mode, the ERC III preheats the oven with the bake element. When the desired

temperature is reached, the ERC III adds top heat by cycling the broil element on for 5 to 15 seconds per minute .

The bake element is on for the remaining time of the minute. Both elements use full power when they are on but

they are never on at the same time.

NORMAL BAKE

CLEAN

During a cleaning process, the oven uses the bake element.

CLEAN AND TIMED CLEAN

When these modes are called, the door locks right after start button is pushed.

OVEN CALIBRATION

ERC III ELECTRONIC OVEN CONTROL FAULT CODES

FAULT

CODE

LIKELY FAILURE CONDITION/CAUSE

Shorted keypad (more than 30 seconds).

Control’s internal checksum may have become

corrupted.

Control has sensed a potential runaway oven condition.

Control may have shorted relay, RTD sensor probe may

have gone bad.

Door motor failure/jammed. Latch motor switch failure.

SUGGESTED CORRECTIVE ACTION

Replace EOC.

Disconnect power, wait 30 seconds and reapply power.

If fault returns upon power-up, replace EOC.

Check RTD sensor probe and replace if necessary. IF oven

is overheating, disconnect power. If oven continues to

overheat when the power is reapplied, replace EOC.

Severe overheating may require the entire oven to be

replaced, should damage be extensive.

With the unit in either the fully locked or fully unlocked

position, only one of the switches should be closed. If

both switches are closed, replace the latch motor

assembly or replace the control.

RTD SCALE

Oven Temperature

Sensor

Temp. °F Temp. °C Resistance (ohms)

32 ± 1.9 0.0 ± 1.1 1000 ± 4.0

75 ± 2.5 23.9 ± 1.4 1091 ± 5.3

250 ± 4.4 121.1 ± 2.4 1453 ± 8.9

350 ± 5.4 176.7 ± 3.0 1654 ± 10.8

450 ± 6.9 232.2 ± 3.8 1852 ± 13.5

550 ± 8.2 287.8 ± 4.6 2047 ± 15.8

650 ± 9.6 343.3 ± 5.3 2237 ± 18.5

900 ± 13.6 482.2 ± 7.6 2697 ± 24.4

FAULT

CODE

SUGGESTED CORRECTIVE ACTION

Press CLEAR key. If CLEAR key does not eliminate

problem, turn off power for 30 seconds, then turn on

power.

Check wiring of Lock Motor, and Lock Switch A and B

and Door Switch circuits. Look for stalled cooling fan,

broken safety thermostat, shorts or opens.

Unplug J1, apply power (L1) directly to the Lock Motor;

in the motor does not rotate, replace Lock Motor

Assembly. Plug J1.

Check Lock Switch A and B for proper operation (do they

open and close, check with ohmmeter). The lock Motor

may be powered as in above step to open and close Lock

Switches. If the LockSwitches are defective, replace

Motor Lock Assembly.

If all above steps fail to correct situation, replace control.

Check wiring in probe circuit for possible open condition.

Check RTD resistance at room temperature (compare to

probe resistance chart). If resistance does not match the

chart, replace the RTD sensor probe.

Check wiring in probe circuit for possible short condition.

Check RTD resistance at room temperature (compare to

probe resistance chart). If resistance does not match the

chart, replace the RTD sensor probe.

LIKELY FAILURE CONDITION/CAUSE

Control software failure, or component failure (relay

stuck).

Safety thermostat opened, or cooling fan stalled.

Wiring Problem.

Open RTD sensor probe/wiring problem (more than 15

seconds).

Notes: - EOC may initially display an "FI", thinking a

runaway condition exists.

- An open sensor is above 3000 ohms.

- A shorted sensor is below 700 ohms.

Shorted RTD sensor probe/wiring problem (more than

15 seconds).

Note: - "F3" is displayed when oven is in active mode

or when an attempt to enter an active mode

is made.

ERC III ELECTRONIC OVEN CONTROL FAULT CODES (continued)

The fan motor on the rear of the unit is mounted to the main back with three screws. There is a mounting plate

held in place between the main back (with 2 screws) and the rear oven wall (with 2 screws). Should it be

necessary to replace the oven cavity, you must remove the 2 screws located inside the unit at the rear of the oven

cavity.

The fan motor runs continuously while in the convection mode unless the door is opened. If the fan does not operate,

check the following:

• Display illuminated on the electronic control.

• Voltage output between terminals E9 and E8.

• 240 Volts available at fan motor.

• Fan motor coil resistance 56.5 ohms ± 10%.

• Voltage input to fan relay coil during convection bake with door closed.

• Door/light switch.

Convection Fan

Motor Assembly

Oven Cavity

Convection Fan

Blade

Fan Nut

Convection Element

Convection

Fan Cover

MOUNTING PLATE OVEN

FAN RELAY

EXPLODED VIEW OF CONVECTION SYSTEM (typical)

1. Shut off gas to range.

2. Disconnect power.

3. Remove gas supply line at the regulator. If necessary, move range out of the cabinet opening.

4. Remove grates, burner covers, knobs and seals.

5. Remove screws securing burner rings and remove rings. Inspect burners, loose screws, electrode,

cleanliness, etc.

6. Remove left and right screws on each side of range securing panel top to body.

Note: Screws are located 1/1/2" from console and 3 inches from back of range.

7. Remove machine screw on manifold side of range (2-3/4" from cooktop) securing manifold to

cooktop.

8. Remove glass top and gasket.

9. To reassemble cooktop, reverse procedure.

Dual Fuel Models

GAS COOKTOP REMOVAL (Dual Fuel Models Only)

EXPLODED VIEW OF SURFACE COOKING SYSTEM

Electric Models

OFF

LITE

OFF

LITE

OFF

LITE

OFF

LITE

OFF

LITE

This appliance is equipped with an electronic oven control and has an auto locking door latch feature. When the

self clean cycle is programmed, the door is locked by a motor operated latch system. The interior of oven does not

need to heat up to 600°F before the door locks. However, until the temperature inside oven reaches 600°F, the

self-clean program can be canceled and door will unlock immediately. After oven reaches temperatures over

600°F, the door will not unlock until temperature falls below 600°F.

DOOR

LOCKING

MECHANISM

ASSEMBLY

LATCH

ROD

BUSHING

ROD

SPRING

DOOR

LATCH

CAM ASSEMBLY

LIMIT

SWITCH A LIMIT

SWITCH B

DOOR

LATCH

MOTOR

1. Disconnect range from electrical supply

2. Open door to fully opened position.

3. Pull up the lock located on each hinge support and engage it in the hook of the hinge lever.

You may have to apply a little downward pressure on the door pull the locks fully over hoods.

4. Grasp door by sides, pull bottom of door up and toward you while rotating the top of door toward

range to completely disengage the hinge levers.

5. To reinstall, reverse procedure. Make sure hinge supports are fully engaged before unlocking the hinge

levers.

LOCK IN NORMAL

POSITION

LOCK ENGAGED

FOR DOOR REMOVAL

REMOVE DOOR

FROM HINGE SLOT

DOOR LOCK MECHANISM

OVEN DOOR REMOVAL AND REPLACEMENT

STAINLESS STEEL DOORS

Side Oven Door

Inner-

Glass

Glass-Oven Door

Hinge

Middle -

Glass

Bumper

Insulation-

Door

Glass-Frame

Insulation-Door

Glass -

Retainer Insulation

Main Oven Door

Liner-Oven Door

Seal-Rope

Latch-Door

Seal-

Oven Door

Hinge

Glass Retainer

Insulation-Sheet

Insulation-Shield

Handle-Door

Panel-Oven Door,

Stainless Steel

Hinge-Top

Insulation-Door

Panel-Oven Door,

Stainless Steel

Liner-Oven Door

Latch-

Door

Seal-

Oven Door

Spacer-Hinge Pin

Hinge-Lower

Washer

Plastic Rivet

Spacer-Hinge Pin

Spacer-Handle

Handle-Door

X = Check Listed Circuits

Relay will operate in this condition

only

* Some models use bake and broil

elements in convection mode.

Others toggle an external relay

and use E9 to E6 to energize a

convection element.

** Alternates between E9 to E7 and

E9 to E6

*** Some models

Bake/

Time Bake

Broil

Convection

Clean

Unlocked

Locking

Locked

Unlocking

Door

Closed

E9-E7

X**

E9-E6

X**

E4-E5

MDL

Lock

Sw A

or C-NC

Lock

Sw B

or C-NO

Latch

Switches

EOC Relays Door

Switch

COM

to NO

Convection

Fan

E2 - E8

CIRCUIT ANALYSIS MATRIX

ELECTRICAL RATING

Main Oven

3000W/2253W

2750W/2065W

2500W/1127W

***Side Oven

(40” ranges)

1500W/1130W

N/A

KW rating

240/208

Bake element

Wattage

Broil element

Wattage

*** Convection

element

Wattage

Total Kw Rating

240/208 Volts

See serial plate

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