Sharp R-890SLM Service Manual download pdf (Page 3)

R-890SLM

CHAPTER 1. BEFORE SERVICING

[1] GENERAL IMPORTANT INFORMATION

This Manual has been prepared to provide Sharp Corp. Service engineers with Operation and Service Information.

It is recommended that service engineers carefully study the entire text of this manual, so they will be qualiﬁed to render satisfactory

customer service.

WARNING: THIS APPLIANCE MUST BE EARTHED

IMPORTANT

THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:

GREEN-AND-YELLOW ------------------------------- EARTH

BLUE -------------------------------------------------- NEUTRAL

BROWN -------------------------------------------------------LIVE

[2] WARNING MICROWAVE RADIATION

Personnel should not be exposed to the microwave energy which may radiate from the magnetron or other microwave

generating devices if it is improperly used or connected. All input and output microwave connections, waveguides, ﬂanges

and gaskets must be secured. Never operate the device without a microwave energy absorbing load attached.

Never look into an open waveguide or antenna while the device is energized.

[3] WARNING

Never operate the oven until the following points are ensured.

(A) The door is tightly closed.

(B) The door brackets and hinges are not defective.

(D) The door is not deformed or warped.

(E) There is not any other visible damage with the oven.

Servicing and repair work must be carried out only by trained service engineers.

All the parts marked "

" on parts list are used at voltage more than 250V.

Removal of the outer wrap gives access to potential above 250V.

All the parts marked "

*" on parts list may cause undue microwave exposure, by themselves, or when they are damaged,

loosened or removed.

Never operate the Grill and/ or Convection heater with the oven outer cabinet removed. (Because air ﬂow is elimi

nated, and the excess heat generated on adjacent components). It can cause permanent damage or a ﬁre.

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Sharp R-890SLM Service Manual Page 3