Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference TB9305111
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
Month of Issue:
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
The thermostat cuts in and out several times before reaching temperature.
Fit extra insulation as detailed below, following the procedure below
1. Remove the rear barrier as detailed on page 35 of the service manual.
2. Without removing the fan duct, insert the insulation material into the gap between
the convection fan duct and thermal rear cover.
3. Apply the insulation material to all four sides of the convection duct, ensuring
fitment as in section A-A of the diagram.