Report on an accident involving a city gas oven. The accident occurred on December 10, 2025, and resulted in 4 victims. The cause is unknown, but the accident is presumed not to have been caused by the product.
Regarding an accident involving an extension cord, no abnormalities other than a broken power cord and melt marks were found, and the accident is presumed not to have been caused by the product.
Regarding an accident involving an electric toaster oven, external force was applied to the power cord, severing the conductor and causing sparks. The accident is presumed not to have been caused by the product.
A short-circuit fire occurred in a パナソニック intercom product because a flame retardant not specified for the product was used in the resin of a circuit-board coil component.
An accident involving a carport used in a heavy-snowfall area near the coast. Salt damage is suspected to have corroded the screw holes in the aluminum beams, causing them to come loose in strong winds.
Battery pack (lithium-ion, for electrically assisted bicycle) (パナソニック サイクルテック株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred when cells in a battery pack for a lithium-ion battery-powered electric-assist bicycle manufactured by Panasonic Cycle Technology Co., Ltd. overheated abnormally.
A refrigerator accident. Product damage occurred, and because no signs of fire were found on electrical components, the accident is presumed not to have been caused by the product.
Report on an accident involving an electric heater. The accident occurred on February 2, 2026, and caused 4 cases of property damage beyond the product itself, but the cause could not be determined.
A brush cutter accident. It is suspected that placing the machine on the ground during work caused its hot muffler or exhaust gas to come into contact with dry grass and ignite it. The instruction manual explains how to handle the machine properly when stopping it.
A fire occurred involving an LCD television manufactured by ソニーマーケティング株式会社 after a faulty backlight LED caused an overvoltage and abnormal overheating.
Investigation results concerning a fire involving an electric freezer. The entire product was burned, but no signs of fire, such as melt marks, were found on electrical components including the compressor and thermostat, and the cause of the accident could not be determined. The accident is presumed not to have been caused by the product.
Power tool (chainsaw, rechargeable) (ハスクバーナ・ゼノア株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
Fires occurred involving a rechargeable chainsaw manufactured by ハスクバーナ・ゼノア株式会社 and another model. Abnormal overheating of the lithium-ion battery is suspected, but the extensive fire damage prevented the cause from being determined.
Power tool (chainsaw, rechargeable) (ハスクバーナ・ゼノア株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire broke out from the cargo bed of a vehicle while a rechargeable chainsaw manufactured by ハスクバーナ・ゼノア株式会社 was there. Abnormal battery overheating was suspected, but the extensive fire damage prevented the cause of the accident from being determined.
Air conditioner (outdoor unit) (東芝ライフスタイル株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred on August 13, 2025, involving an outdoor unit of an air conditioner manufactured by 東芝ライフスタイル株式会社, but the cause could not be determined because the product was extensively burned.
A fire occurred on November 2, 2025, involving a lithium battery charger manufactured by アンカー・ジャパン株式会社. It is unclear whether the accident was caused by the product, but abnormal overheating of the lithium-ion battery cells is suspected as the cause.
Investigation results concerning a fire involving a lithium battery charger manufactured by 株式会社アイティプロテック. Abnormal overheating of the battery cells is suspected, but whether the accident was caused by the product could not be determined.
Investigation report on a fire involving an extension cord. No abnormalities were found in the product, and based on melt marks in an area not exposed to external force, the accident is presumed not to have been caused by the product.
A fire occurred on November 8, 2025, involving a dehumidifying dryer manufactured by パナソニックエコシステムズ株式会社. The product was burned, but the cause could not be determined.
Report of an accident involving an open-type oil heater. Misfueling with mixed fuel and a stuck automatic shutoff device were confirmed, but the accident is presumed not to have been caused by the product.
Regarding a fire involving a charger with a built-in lithium battery manufactured by アンカー・ジャパン株式会社, severe burning of the battery cells was confirmed. However, because the details of use were unknown, it was not determined whether the accident was caused by the product.
Charger with built-in lithium battery (エレコム株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred on October 13, 2025, involving a charger with a built-in lithium battery manufactured by エレコム株式会社. Abnormal overheating of the battery cells is suspected, but the damage was severe and details of use were unknown, so the cause could not be determined.
Outdoor (RF-type) instantaneous gas water heater (for city gas) (blank) accident
Published ・ Source Japan | 製品評価技術基盤機構
Because a clothes-drying pole near the balcony installation site of an outdoor gas instantaneous water heater was close to the exhaust outlet, no signs of fire were found inside the product. The accident is presumed to have resulted from user negligence.
Report of a fire involving an air purifier. The investigation found no signs of ignition in the electrical components inside the product, and the accident is presumed not to have been caused by the product.
An accident in which flames grew larger while an open-type oil heater was in use, and the house was completely destroyed by fire during firefighting. No abnormalities were found in the product. Although the cause is unknown, the accident is presumed not to have been caused by the product.
Connection cable (for solar power generation systems) (木谷電器株式会社 (パナソニック株式会社 brand)) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred involving a connection cable for a solar power generation system manufactured by 木谷電器株式会社 (パナソニック brand). The above-ground wiring burned from the section routed underground, but the cause, including whether it was product-related, could not be determined.
Battery (lithium-ion, for power tools) (ガンバル株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred involving a lithium-ion battery for power tools manufactured by ガンバル株式会社. It could not be determined whether the accident was caused by the product.
Facts
Damage: 11. Fire
Approximately 2 months before the accident occurred
Regarding an accident involving a charger with a built-in lithium battery manufactured by アンカー・ジャパン株式会社, abnormal heating of the battery cells and ignition are presumed to have resulted from inadequate controls in the manufacturing process.
Electric wheelchair (handlebar type) (blank) accident
Published ・ Source Japan | 製品評価技術基盤機構
Report of an accident involving a handlebar-type electric wheelchair. The user lost a wheel off the road and fell into a drainage ditch, suffering serious injuries. No abnormalities were found in the product, and the accident is presumed not to have been caused by the product.
Charger with built-in lithium battery (株式会社CIO) accident
Published ・ Source Japan | 製品評価技術基盤機構
Investigation results for a fire involving a charger with a built-in lithium battery from 株式会社CIO. Overcurrent and abnormal heating due to a failure of a switching component are suspected, but the cause could not be determined because details of use were unknown.
An accident involving a built-in dishwasher-dryer from ミーレ・ジャパン株式会社, in which a fire started near the electrical components at the bottom approximately 5 hours after operation began, causing burn damage. The cause was not determined, and it is also unknown whether the accident was caused by the product.
Battery (lithium-ion, for power tools) (パナソニック株式会社) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred on October 10, 2025, involving a lithium-ion battery for power tools from パナソニック株式会社. An external short circuit is suspected based on the investigation, but the cause could not be determined because details of use were unknown.
Regarding a fire involving an outdoor air conditioner unit, the investigation found no signs of ignition in the electrical components inside the product, and the accident is presumed not to have been caused by the product.
Report of a fire involving an electric washing machine. The investigation found no burn damage or signs of ignition inside the product or on the power cord. Although the cause of the accident could not be determined, it is presumed not to have been caused by the product.
Portable power supply (lithium-ion) (株式会社SUNVALLEY JAPAN) accident
Published ・ Source Japan | 製品評価技術基盤機構
A fire occurred on October 15, 2025, involving a lithium-ion portable power supply manufactured by 株式会社SUVALLEY JAPAN. Abnormal heating of the battery cells is suspected, but the cause could not be determined because details of use were unknown.
Facts
Damage: 11. Fire
6 built-in battery cells
2 were severely burned
The outer film on 4 had partially melted and burned
Charger with built-in lithium battery (株式会社ユペンディ) accident
Published ・ Source Japan | 製品評価技術基盤機構
Report of an accident involving a charger with a built-in lithium battery from 株式会社ユペンディ. The product caught fire while being charged with an AC adapter made by another company, but the product could not be examined, so the cause could not be determined.
Report of an accident involving a charger with a built-in lithium battery from アンカー・ジャパン株式会社. A fire occurred while a smartphone was being charged on a train, and ignition from the battery cells is suspected, but it was not determined whether the accident was caused by the product.
Report of a fire involving a rechargeable stick-type vacuum cleaner manufactured by 株式会社オークローンマーケティング. Whether the accident was caused by the product was not determined, and the cause is unknown.
The volcanic alert level for Kirishimayama (Shinmoedake) is 2. Ashfall is forecast toward the northeast from 9:00 to 12:00 on the 21st and toward the east from 21:00 to 24:00 on the 21st.
The volcanic alert level for Suwanosejima is 2. Ashfall is forecast toward the northeast from 9:00 to 12:00 on the 21st and toward the south from 21:00 to 24:00 on the 21st.
Mount Aso is at Volcanic Alert Level 2. Ashfall is forecast to the northeast from 09:00 to 12:00 on the 21st and to the southeast from 21:00 to 24:00 on the 21st.
Ashfall forecast for Kirishima-yama (Shinmoe-dake). It is at Volcanic Alert Level 2, with ashfall expected to the northeast from 09:00 to 12:00 on the 21st.
If an eruption occurs at Satsuma-Iojima, ashfall is forecast from the crater to the northeast from 09:00 to 12:00 on the 21st. It is currently at Volcanic Alert Level 2.
If an eruption occurs at Suwanosejima, ashfall is forecast from the crater to the northeast from 09:00 to 12:00 on the 21st. The island is currently at Volcanic Alert Level 2 (restricted area around the crater).
Published ・ Source Japan | 気象庁 ・ 2 identical notices
If an eruption occurs at Sakurajima, ashfall is forecast from the crater to the northeast from 09:00 to 12:00 on the 21st. It is currently at Volcanic Alert Level 3 (restricted access to the mountain).
Mount Aso is at Volcanic Alert Level 2, with ashfall expected to the northeast of the crater from 21:00 to 24:00 on the 20th and from 9:00 to 12:00 on the 21st.
Suwanosejima is at Volcanic Alert Level 2, with ashfall expected to the northwest from 21:00 to 24:00 on the 20th and to the northeast from 09:00 to 12:00 on the 21st.
Volcanic Alert Level 2 remains in effect for Satsuma-Iojima. Ashfall is forecast to the north from 21:00 to 24:00 on the 20th and to the northeast from 09:00 to 12:00 on the 21st.
If an eruption occurs at Sakurajima, ashfall is forecast from the crater to the northeast from 21:00 to 24:00 on the 20th and from 9:00 to 12:00 on the 21st. Volcanic Alert Level 3 (restricted access to the mountain) is currently in effect.
Kirishima-yama (Shinmoe-dake) is at Volcanic Alert Level 2. Ashfall is forecast to the northeast from 21:00 to 24:00 on the 20th and from 09:00 to 12:00 on the 21st.
If an eruption occurs at Sakurajima, ashfall is expected to the northeast from 21:00 to 24:00 on the 20th and from 09:00 to 12:00 on the 21st. It is currently at Volcanic Alert Level 3.
Mount Aso is at Volcanic Alert Level 2. Ashfall is expected to the northeast of the crater from 21:00 to 24:00 on the 20th and from 9:00 to 12:00 on the 21st.
Ashfall forecast for Meakan-dake. It is at Volcanic Alert Level 2, with ashfall expected to the north from 21:00 to 24:00 on the 20th and from 9:00 to 12:00 on the 21st.
Kirishima-yama (Shinmoe-dake) is at Volcanic Alert Level 2, with ashfall expected to the northeast from 21:00 to 24:00 on the 20th and from 09:00 to 12:00 on the 21st.
Satsuma-Iojima is at Volcanic Alert Level 2. Ashfall is forecast to the north from 21:00 to 24:00 on the 20th and to the northeast from 09:00 to 12:00 on the 21st.
Volcanic Alert Level 2 remains in effect for Satsuma-Iojima. If an eruption occurs, ashfall is expected from the crater to the north from 21:00 to 24:00 on the 20th.