Operating instructions
10 16400009 ©2010 ACP Inc.
When you get a complaint from customers, evaluate the complaint carefully. If the following symptoms apply, instruct
the customer in the proper use of the microwave oven. This can eliminate an unnecessary service call.
• Verifypropergroudingbeforecheckingfortrouble.
• Becarefulofthehighvoltagecircuit.
• Dischargethehighvoltagecapacitor.
• Whencheckingthecontinuityoftheswitchesorofthehighvoltagetransformer,disconnectoneleadwirefrom
thesepartsandthencheckcontinuitywiththeACplugremoved.Todootherwisemayresultinafalsereadingor
damagetoyourmeter.
• Donottouchanypartofthecircuitonthecontroller,sincestaticelectricdischargemaydamagethecontrol
panel.Alwaystouchyourselftoearthwhileworkingonthispaneltodischargeanystaticchargebuiltupinyour
body.
Troubleshooting Procedures
CAUTION
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Microwave oven does not work.
• Inserting multiple plugs into
one outlet and using them at
the same time (blown fuse or
breaker).
• Avoid using other electrical
appliances when you use the
microwave oven.
• Microwave oven plug is not
inserted tightly.
• Insert microwave oven plug
securely.
Output power is too low.
• Low AC input voltage. • Use the microwave oven at
adequate line voltage.
• Food temperature is too low. • This m ay not be a defect. It is
possible that the food should
be cooked for a longer time
period.
Sparks occur.
• Using metallic ware and
allowing it to touch the oven
wall.
• Do not use metallic ware for
cooking.
• Ceramic ware trimmed in gold
or silver is used.
• Do not use any type of
cookware with metallic
trimming.
Uneven cooking. Inconsistent food thickness,
inconsistent fat or moisture
distribution within the food
products.
• Use plastic wrap or lid.
• Stir once or twice while
cooking soup, cocoa, milk, etc.