Troubleshooting
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
18
16021520 Rev. 0
©2002 Maytag Appliances Company
Operating Instructions for the Holaday
HI1501, HI1510, and HI1710
Purpose of these monitors is to check radiation
leakage around microwave oven door or other places
where radiation could possibly occur.
Instrument measures radiation leakage in milliwatts
per square centimeters (mW/cm
2
). Probe should be
used with the 2
"
(5 cm) cone spacer. Water load of
275 cc. (approximately 1
1
/
3
cup), is to be placed in
the oven and used as a load during leakage tests.
Operate the instrument on its internal 9 Volt battery
power supply. “Range” switch is used on low and high
while using test probe. On an oven with an unknown
leakage, use high scale then switch to low scale and
test for low leakage. “Bat Test” switch is used to
check the battery and probe on the Holaday
Instruments. If either is faulty, meter needle will not
read above “Test Minimum” or battery mark on meter.
Holaday Instrument has a probe test switch position.
Meter needle must indicate in the “OK probe test”
portion of the scale when in this position. Zero control
is used to zero the needle. “ON-OFF” switch provides
a means of turning the operating voltage on or off.
“Range Multiplier” switch provides a means of
selection either 0-2 or 0-10 and 0-100 on the Holaday
Instruments sensitivity ranges.
Test probe must be held by the grip portion of the
handle, otherwise a false reading may result if
operators hand is between the handle and probe.
If oven is likely to have a large amount of leakage,
approach oven slowly with the probe, while observing
meter. This is achieved by holding the probe two or
three feet from oven surface or gap between door and
oven body while observing meter. When high leakage
is expected, do not move probe horizontally along the
oven surface. This could cause possible probe
burn-out. Greatest leakage is generally found at the
corners. After maximum leakage is established to be
within the meter scale range, then probe may be
moved horizontally around the door surface.
Hold probe perpendicular to cabinet door. Place cone
of probe on the door and/or cabinet door seam and
move along the seam. If leakage of the oven is
unknown, move probe slowly. Proceed with care in
order not to exceed a full scale reading of meter.
When testing near a corner or access area of door,
keep probe perpendicular to the areas making sure
probe end at the base of the cone does not get closer
than 2” (5cm) to any metal. If it does, an erroneous
reading may result.
Always use the 2” (5cm) spacer with probe. Also,
always proceed carefully in areas of high leakage or
probe can be accidentally burned-out. Rotating
antenna causes high peaks of energy. Although meter
has averaging capabilities, probe will react
instantaneously to peak power changes which will
cause burn-out.
NOTE: For further instructions see Amana Service
Letters of the R-10, R-35, and R-59 of your
Instrument Instruction Manual.
NOTE: Simpson Electric Company Model 380M may
also be used by using the above instructions
for guideline and the 380M Instruction
Manual.
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