Test Procedure - Sharp R-961 (W) Service Manual

TEST PROCEDURES -
[__TESTPROCEDURE—s=~=~"*'*S™*™*~*~C~*~C~C~C~CCCCAN BIC DE Ele le lelalal
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
OUT 190°C TC3
-OUT 145°C TC2
H.V. RECTIFIER ASSEMBLY
THERMAL CUT-OUT 170°C TC1
H.V. HARNESS
| tf HIGH VOLTAGE CAPACITOR
MONITOR SWITCH DAMPER SWITCH
PROBLEM
Fuse F2 F8A blows when the door is opened.
Home fuse blows when power cord is plugged into wall outlet
| | THERMAL CUT-
Bee MONITORED LATCH SWITCH
|| THERMAL CUT.
HH DOOR SWITCH
OFF Fuse F1 15A blows when power cord is plugged into wall outlet.
peen "88:88" does not appear in display when power cordis plugged into wall
outlet.
Display does not operate properly when STOP/CLEAR key is touched. a Banas
Oven lamp does not light when door is opened. (Display operates. Fel
Oven does not start when the START key is touched. (Display
operates.)
Oven lamp does not light and turntable motor does not operate
Fan motor does not operate. (Oven lamp lights.)
Convection fan motor does not operate. (Oven lamp lights |
Turntable motor does not operate. (Oven lamp lights. 4
COOKIN :
CoRDGA Oven or any electrical parts (except fan motor) does not stop when
(COMMON MoDE)| Cooking time is 0 or STOP/CLEAR key is touched.
Microwave and Dual Cook modes)
After cooking, the temperature of oven cavity is higher than 104°C but
the fan motor does not operate.
Oven seems to be operating but little or no heat is produced in oven
load. (Microwave power control is set at HIGH)
MICROWAVE
COOKING Oven does not seem to be operating properly during variable cooking
CONDITION condition. (Oven operates properly at HIGH)
Oven goes into cook cycle but shuts down before end of cooking cycle. ft {| | | tt ty ft jor
Convection heating element does not heat. |
Cooke CN | Oven seems to be operating when the temperature in the oven cavity
CONDITION is lower or higher than preset one.
Grill heating elements do not operate when convection temperature is
set above 180°C.
GRILL Grill heating element does not heat. Tt {| tt fol LT ET] Jo
CONDE Convection heating element does not stop when the temperature of
oven cavity is higher than 172°C or it stop to heat when the temperature
of oven cavity is still lower than 172°C
DUAL COOKING |_Oven goes into cook cycle but shuts down before end of cooking cycle. Pol ee oT Orde 4
Oven seems to be operating but little or no heat is produced in oven
load. (Microwave power does not seem to be generated proper!
DUAL COOKING| Ovenseems to be operating but the temperature of oven cavity is lower
CONDITION or higher than preset one.
MICRO./CONV,
:
:
} Convection heating element does not heat. ed [Ole heft)
DUAL COOKIN
;
?
CONDITION i Grill heating element does not heat.
(MICRO./GRILL)
Oven is in sensor cooking condition but AH sensor does not stop
cooking cycle, or oven stop soon and display shows "ERROR".
(MICRO./GRILL)
R-961 - 14