Sharp R-770B: SERVICE CALL CHECK

SERVICE CALL CHECK

Check the following before calling service:

1. Does the display light? Yes

No

When the door is opened, does the oven lamp light? Yes No

If "NO" is the answer for both, check your wall socket and the fuse in your meter box. If both the wall

socket and fuse are functioning properly, CONTACT THE SHARP SERVICE CENTRE.

2. Place one cup of water (approx. 250 ml) in a glass measuring cup in the oven and close the door

securely. Oven lamp should go off if door is closed properly.

Programme the oven for one minute on HIGH. At this moment:

A. Does the oven lamp light? Yes

No

B. Does the cooling fan work? Yes No

(Put your hand over the rear ventilation openings.)

C. Does the turntable rotate? Yes

No

(The turntable can rotate clockwise or counterclockwise. This is quite normal.)

D. Do the microwave symbol and COOK indicator light? Yes

No

E. After one minute, did an audible signal sound? Yes No

F. Is the water inside the oven hot? Yes No

3. Remove water from the oven and programme the oven for 3 minutes on GRILL mode using top and

bottom heaters.

A. Do the top and bottom heater symbols and COOK indicator light? Yes

No

B. After 3 minutes, do the both heaters become red? (Pay special attention to prevent burns when

checking the bottom heater) Yes

No

If "NO" is the answer to any of the above questions, please check your wall socket and the fuse in your

meter box.

If both the wall socket and the fuse are functioning properly, CONTACT YOUR NEAREST SERVICE

CENTER APPROVED BY SHARP.

NOTE: 1.If time in the display is counting down rapidly, check Demonstration Mode.

(Please see E-33 for detail.)

2.The following thing is not trouble;

Each cooking mode has a maximum cooking time. If you operate the oven longer than the

maximum time, the power will automatically be reduced. The table below shows the

maximum time for each cooking mode.

Cooking mode

Maximum cooking time

Microwave 100% cooking

20 min.

Grill cooking

Top heater

30 min.

Bottom heater

15 min.

Top and bottom

Top heater 10 min.

heaters

Bottom heater 10 min.

SPECIFICATIONS

AC Line Voltage : Single phase 220V, 50Hz

AC Power Required :

Microwave 1.6 kW

Grill 2.1kW

Output Power :

Microwave 900W* (IEC)

Grill Heater 1200W (Top heater)

800W (Bottom heater)

2000W (Top and bottom heater)

Microwave Frequency : 2450 MHz

Outside Dimensions : 520mm(W) x 309mm(H) x 467mm(D)

Cavity Dimensions : 352mm(W) x 207mm(H) x 368mm(D)

Oven Capacity : 27 liters (1.0 cu.ft)

Cooking Uniformity : Turntable (325mm tray) system

Weight : Approx. 19kg

* This measurement is based on the International Electrotechnical Commission's standardised method

for measuring output power.

** This is the classification of ISM (Industrial, Scientific and Medical) equipment described in the

International Standard CISPR11. (COMITE INTERNATIONAL SPÉCIAL DES PERTURBATIONS

RADIOÉLECTRIQUES)

TINSEA780WRR0-HR81

SHARP CORPORATION OSAKA, JAPAN

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