28
Service & Parts Manual original Instructions
Part Number 32Z3812 US
Issue 1
TESTING
COMPONENT
S
A
B
DANGER!
THIS APPLIANCE MUST BE EARTHED.
FAILURE TO DO SO MAY RESULT IN
ELECTRIC SHOCk AND DEATH.
DANGER:
BEFORE REMOVING THE OVEN CASING, ISOLATE THE
OVEN FROM THE MAINS ELECTRICITY POWER SUPPLY;
SWITCH OFF, DISCONNECT OVEN PLUG FROM WALL
SOCkET, TURN OFF ISOLATOR SWITCH TO DISCONNECT
FIXED WIRED OVENS AND LOCk-OFF.
WARNING:
ALLOW OVEN TO COOL AND OBSERVE AND FOLLOW ALL
SAFETY PRECAUTIONS INCLUDING THOSE DESCRIBED
UNDER THE SAFETY REGULATIONS SECTION OF THIS
MANUAL BEFORE ATTEMPTING A SERVICE OR REPAIR.
CAUTION MICROWAVE EMISSIONS:
DO NOT BECOME EXPOSED TO EMISSIONS FROM THE
MICROWAVE GENERATOR OR PARTS CONDUCTING
MICROWAVE ENERGY.
OVEN TESTING
15
Equipment required
15.1
Portable Appliance Tester (P.A.T.).
●
Digital Multi-meter (D.M.M.).
●
Megger / similar 500V d.c. resistance meter.
●
Microwave detection / leakage meter.
●
Temperature reader.
●
Continuity meter.
●
Door Spacer Kit (Part No. SA1109).
●
Microwave safe 600ml glass beaker
●
Microwave safe 2 litre container.
●
Earth/Insulation Test:
15.2
Disconnect/isolate the oven from the power
15.2.1
supply.
Connect the mains lead from the oven to a
15.2.2
P.A.T. (Portable Application Tester).
Connect the Earth from the P.A.T. to the oven
15.2.3
hinge (A).
Place the P.A.T. in an open area, such as the
15.2.4
floor, away from any persons.
Perform a Class 1 test, a PASS indicates the
15.2.5
oven Earthing circuit is functioning ok.
If a FAIL is indicated, remove the oven casing
15.2.6
and check ALL earth connections before retesting.
NEVER operate an oven that has failed this test
15.2.7
as it could be potentially dangerous.
WARNING:
ALWAYS DISCHARGE THE HT CAPACITORS BEFORE
WORkING ON THE OVEN USING A SUITABLY INSULATED
10MΩ RESISTOR.
Screen calibration:
15.3
Apply continuous light pressure to the top
15.3.1
right of the screen while switching the oven on.
Using a non-abrasive pointer, such as a
15.3.2
ball point pen, accurately press the center of each
crosshair displayed on the screen. Once calibrated
the screen will display the oven information.
