A blaze at Mayday Hills caused extensive damage to the building, which had undergone a renovation.
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Thick smoke could be seen pouring from the roof.
CFA duty officer Brett Myers said the damage had been confined to a kitchen.
"No-one was present at the time of the fire," he said.
"The cause of the fire has been determined to be a dishwasher.
"Firefighters did use thermal imaging cameras to investigate the roof area of the structure, but were comfortable the fire hadn't spread extensively to that area."
Mr Myers estimated the blaze, which about 15 firefighters attended, caused between $50,000 and $100,000 in damage.
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The building is believed to date back to 1910 and was used by tradesman before being renovated into a residence.
Firefighters have also responded to multiple grass fires in recent days.
A blaze at Browns Plains on Tuesday burnt through an acre of crops after being started by a mower connected to a tractor.
Fires have also started at Tawonga, Mongans Bridge, and Wangaratta.
"It's a reminder that the conditions are very quickly drying," Mr Myers said.
"The restrictions kick in on Monday.
"Clearly, extra care needs to be taken when using tractors and mowing equipment."
Firefighters attended the Browns Plains property for about two hours.
Mr Myers urged people to understand restrictions and have bushfire survival plans.
"There's been very little rainfall and it's shaping to be quite a significant fire season," he said.