Read Sharp R-963 (serv.man13) Technical Bulletin online
MWO2002 05 01
Month of Issue:
May 2002
Classification:
White
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference TBM0201322
Revision 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
MODELS
R953M
R963M
SYMPTOM Failure of the grill heating element resulting in a hole burnt in the ceramic tube and the
element shorting to earth causing it to fracture.
CAUSE
Contact between the grill element and the grill reflector at the point where the element
passes through the hole in the grill reflector. This contact creates a localised hot spot
where it is possible for the ceramic tube to be burnt through.
passes through the hole in the grill reflector. This contact creates a localised hot spot
where it is possible for the ceramic tube to be burnt through.
ACTION
Replace the grill-heating element (RHET-A231WRZZ) and ensure that there is a
clearance gap between it and the hole in the grill reflector.
clearance gap between it and the hole in the grill reflector.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
1-14
Grill Element
RHET-A231WRZ1
AQ
Display