background image

COM

FUSE 10A

TP1

TP2

CN2

ZN

R

TRANSFORM

ER

1

3

REL

AY1

REL

AY2

SECOND

AR

Y

INTERL

O

C

K

SWIT

C

H

BL

O

W

ER

MO

TO

R

PRIMAR

Y

INTERL

OCK

SWIT

C

H

NOISE FIL

TER UNIT

FA

N

C

L

CONTRO

L BO

ARD

TURN  TA

BLE

MO

TO

R

MG

MONIT

O

R

SWIT

CH

TRANSFORMER

CN1

KEY

 BO

ARD

1

2

3

4

5

6

7

8

9

10

CA

PA

C

IT

O

R

DI

ODE

MA

GNET

RO

N

CONDITIONS: 

DOOR  

  : 

CL

OSED

TIMER  

 

 

: ON

PO

WER SELECT

O

R SWIT

C

H  

: MICRO

WA

VE

CA

VI

TY

LIGHT

TP

3

TP

1

TP2

TP4

TP

6

TT

BM

MA

GNETRON

THERMAL SWIT

CH

HV FUSE 0.65A

TP7

0.5 ohms

10W

CIR

C

UIT DIA

G

RAM FOR 1.0 cf

 / T

ouc

h / 230V  

NC

NO

9

Summary of Contents for EM-FL50N

Page 1: ...hazards developing due to improper assembly or adjustment While mak ing such repairs persons not having the proper background may subject themselves to the risk of injury or electrical shock which can be serious or even fatal A If the oven is operative prior to servicing a microwave emission check should be performed prior to servicing the oven B Inform the manufacturer importer or assembler of an...

Page 2: ...dance with the National Electrical Codes DO NOT use a two prong adapter since proper grounding is not assured even if the ground wire or metal tab is connected to the outlet box The use of an extension cord is not recom mended However if it is necessary to use an extension cord it must be a type s with 3 num ber 16 wires and have a 3 prong grounded plug The extension cord should not drape over a c...

Page 3: ... completely safe during normal operation However carelessness in servicing the oven can result in an electric shock or pos sible danger from a short circuit You are asked to observe the following precau tions carefully 1 Always remove the power plug from the out let before servicing 2 Use an insulated screwdriver and wear rub ber gloves when servicing the high voltage side 3 Discharge the high vol...

Page 4: ... would extend cooking time or high power output high rise in water temperature which would reduce cooking time Because cooking times can be adjusted to compensate for power output the magnetron tube assembly should be replaced only if the water temperature rise test indicates a power output well beyond the normal limits This test is only accurate if the power supply line voltage is 230 Volts while...

Page 5: ...any suspected high voltage problem 1 Unplug oven from its power source 2 After removing the cabinet discharge the capacitor by shorting the two capacitor ter minals together with an insulated screw driver 3 Visually check the high voltage wiring for proper connections Refer to wiring dia gram for proper wiring sequence CAUTIONS HIGH VOLTAGES ARE PRE SENT DURING THE COOK HIGH CYCLE SO EXTREME CAUTI...

Page 6: ...n both directions or if an infinite resistance is read in both directions the diode is probably defective and should be replaced If the diode check is normal go to Magnetron Check CHECKING H V DIODES ALTERNA TIVE METHOD Many times the diode you check as open is probably good We have found that many of you are checking them out on the wrong scale of your meter or that your meter is physically not a...

Page 7: ...REPLACING THE FUSE IMPORTANT IF THE 10 AMP FUSE BLOWS REFER TO THE TESTING PROCE DURE DO NOT REPLACE IT UNTIL THE PROBLEM IS CORRECTED ALSO IF AT ANY TIME THE OVEN FUSE BLOWS DUE TO AN OVEN FAULT OR THE CIRCUIT BREAKER TRIPS AFTER BEING RESET ONCE WITH THE HOUSE CIRCUIT UNLOADED EXCEPT FOR THE OVEN THE INTERLOCK SWITCHES MUST BE REPLACED AS A GROUP THIS IS BECAUSE THE SHORT CIRCUIT WILL HAVE DAMAG...

Page 8: ... the green ground wire under the screw ELECTRONIC CONTROLLER ASSEM BLY REMOVAL 1 Disconnect power from the unit Remove the cabinet and discharge the capacitor 2 Remove screw at top that holds the control panel to the oven chassis 3 Controller can be replaced by removing screws through rear of control panel and replacing with new control wire for wire Reverse above steps to reinstall 4 NOTE The onl...

Page 9: ...UNIT FAN CL CONTROL BOARD TURN TABLE MOTOR MG MONITOR SWITCH TRANSFORMER CN1 KEY BOARD 1 2 3 4 5 6 7 8 9 10 CAPACITOR DIODE MAGNETRON CONDITIONS DOOR CLOSED TIMER ON POWER SELECTOR SWITCH MICROWAVE CAVITY LIGHT TP3 TP1 TP2 TP4 TP6 TT BM MAGNETRON THERMAL SWITCH HV FUSE 0 65A TP7 0 5 ohms 10W CIRCUIT DIAGRAM FOR 1 0 cf Touch 230V NC NO 9 ...

Page 10: ...1 2 3 18 19 31 24 21 27 28 34 44 30 39 17 32 29 38 9 15 35 7 16 Exploded View Model EM FL50N 8 10 11 12 12 13 33 36 37 14 23 22 26 20 25 43 4 41 42 6 40 ...

Page 11: ...ISE FILTER UNIT 1 MO S 0688 20 PCB ASSEMBLY PCB N G 1 2 1 MO A 0796 21 SWITCH LEVER 1 1 MO R 0002 22 SWITCH LEVER 2 1 MO R 0740 23 HV FUSE 0 75A 1 432 0 8335 02100 24 SWITCH BRACKET 1 MO R 0440S 25 OPEN LEVER 1 MO R 0739 26 FOOT FRONT 2 MO D 2341 27 FAN 1 MO R 0235N 28 FAN CASING 1 MO R 0439S 29 AIR GUIDE 1 MO R 0471S 30 CAPACITOR HOLDER 1 MO M 0703 31 AC POWER RELAY 1 MO S 0576 32 GLASS TRAY 1 MO...

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