TROUBLESHOOTING GUIDE (CONT’D)
PROBELM
POSSIBLE CAUSE
TEST PROCEDURE OR
CORRECTION
MICROWAVE COOKING CONDITION
Oven lamps do not light in cook
cycle.
(Does light when door is opened)
Defective contacts (A) of shut-off relay
(RY2) on relay unit.
Defective control unit.
Procedure
Procedure L.
Oven lamps do not light at all.
Burned out bulb.
Replace.
Open wiring to oven lamp.
Check and repair wiring.
Oven lamps light, but turntable
motor do not operate.
Defective contacts (B) of shut-off relay
(RY2) on relay unit.
Procedure Q.
Cook indicator lights on display
Defective turntable motor.
Defective control unit.
Replace.
Procedure L.
but cooling fan motor do not
operate.
Defective contacts of shut-off relay
(RY3) on relay unit.
Procedure Q.
Defective cooling fan motor.
Open or loose wiring between above
components.
Replace.
Check and repair wiring.
Oven does not go into a cook
cycle when COOK key is
touched.
Primary and/or secondary interlock
switches defective or out of
adjustment.
Procedures E and F.
Defective magnetron
cut-out.
Procedure I.
Defective cook relay.
Defective control unit.
Procedure J.
Procedure L.
Defective key unit.
Procedure L.
.
Defective relay unit.
Open or loose wiring to above
components.
Procedure Q.
Check and repair wiring.
Oven seems to be operating
I
Defective magnetron
cut-out.
I Procedure I.
but little or no heat is
produced in oven load.
(Food incompletely cooked or
Defective relay unit.
Procedure Q.
cooked at all at end of
cycle)
Defective cook relay.
Defective power transformer.
Procedure J.
Procedure 8.
Defective rectifier.
Procedure C.
Defective high voltage capacitor.
I Procedure D.
Defective control unit.
Open or loose wiring to above
components.
Procedure L.
Check and repair wiring.
goes into a cook cycle but
uneven heating is
in oven load (food).
Turntable motor does not operate.
Refer to proceeding turntable
motor problem.
52
Содержание R-8320E
Страница 105: ...AIR GUIDE DUCT B m D 4 T B 1 THERMAL PROTECTION PLATE D re 31 Oven Cavity Components Part II 104 ...
Страница 119: ...PRINTED WIRING BOARD CONTROL UNIT P M 0 3 12 1 I To 12 n 118 ...
Страница 121: ...IEL AND RELAY UNIT CIRCUIT i iiiitiii r 1 I I I I I I t L J Cl00 3300 x 7 H Z J STOP SWTCH 120 ...
Страница 122: ...PRINTED WIRING BOARD RELAY UNIT t 121 ...
Страница 133: ...CABINET PARTS 0 7 2 132 ...
Страница 134: ...0 4 4 0 4 l 133 ...
Страница 135: ...134 ...
Страница 136: ...OVEN PARTS II I k5 rI f 135 ...
Страница 137: ...136 ...
Страница 138: ...CONTROL PANEL PARTS 3 3 P 0 0 J I I f I I I I II II I 3 l 0P 0 7 i J a 81 J Y0 3 5 137 ...
Страница 139: ...DOOR ASSEMBLY I MISCELLANEOUS Tra Capa Mag 138 ...