Oven Microwave model number (911 4942590)

by Larry Hall
(St Louis MIssouri)

I forgot to include the model number (911 4942590)in my prior email. It is a combo microwave and electric oven. The electric oven is giving me a F4 fault. What does this error indicate, can it be fixed and if it can not be repaired what do you suggest as a replacement? There is a 25 inch by 41 inch opening for the combo.