Sunbeam MA-6400B2 - TROUBLE 2 Oven seems to be operating but little heat is produced in oven load

5-13
(TROUBLE 2) Oven seems to be operating but little heat is produced in oven load.
NOTE : Simple test of power output-conducted by heating one liter water for one min. if available.
Minimum 8.5°C temperature rise is normal condition.
CONDITION CHECK RESULT CAUSE REMEDY
Output is low
Lower than 90% of
rating voltage.
Normal
Abnormal
Measure the
output power.
Defective
magnetron.
Replace
magnetron.
Decrease in power
source voltage
with load.
Suggest customer
contact local
electric power
utility co. or
qualified
electrician.
Check the
power source
voltage.