R-7A63M (serv.man5). Counter measure for oven not reaching correct pre-heat temperature — Sharp Home Appliance Technical Bulletin (repair manual)

Model
R-7A63M (serv.man5)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
30.3 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Home Appliance / Microwave Oven / Counter measure for oven not reaching correct pre-heat temperature
File
r-7a63m-sm5.pdf
Date

View Sharp R-7A63M (serv.man5) Technical Bulletin online

Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference TB9305111
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
R7A63-002
Month of Issue:
        Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E55M
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
CAUSE
The thermostat cuts in and out several times before reaching temperature.
ACTION
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.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Insulation Material
PFPF-A147WRE1
AN
Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference TB9305111
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
R7A63-002
Month of Issue:
        Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E55M
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
CAUSE
The thermostat cuts in and out several times before reaching temperature.
ACTION
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.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Insulation Material
PFPF-A147WRE1
AN
Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference TB9305111
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
R7A63-002
Month of Issue:
        Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E55M
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
CAUSE
The thermostat cuts in and out several times before reaching temperature.
ACTION
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.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Insulation Material
PFPF-A147WRE1
AN
Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference TB9305111
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
R7A63-002
Month of Issue:
        Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E55M
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
CAUSE
The thermostat cuts in and out several times before reaching temperature.
ACTION
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.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Insulation Material
PFPF-A147WRE1
AN
Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference TB9305111
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
R7A63-002
Month of Issue:
        Classification: Routine
MICROWAVE TECHNICAL BULLETIN
Page 1 of 1
MODELS
R7A63M
R7E55M
SYMPTOM The oven takes a long time to pre-heat to the maximum temperature ( 200C ).
CAUSE
The thermostat cuts in and out several times before reaching temperature.
ACTION
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.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Insulation Material
PFPF-A147WRE1
AN

Download Sharp R-7A63M (serv.man5) Technical Bulletin

Here you can view online or download Sharp R-7A63M (serv.man5) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp R-7A63M (serv.man5) Microwave Oven. Information contained in Sharp R-7A63M (serv.man5) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).