Field service bulletins are numbered by business (M: medical OEM, P: platform systems, I: industrial computing) and year. Bulletins marked † are issued to registered OEM customers and authorized service partners through the Hosaka Partner Portal; their titles are listed here for reference.
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H-BMC firmware 2.31: SL1 beacon and status display show the asset name
From H-BMC 2.31, a unit with an asset name configured includes it in the SL1 Service Link beacon and on the module's status display, as well as the service profile name, so that field engineers can identify the unit. Units without an asset name behave as before. See the release notes.
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Fan module part number change (FAN-2S-A to FAN-2S-B)
The fan module of the HS-2208S changes supplier from units built in September 2026. The new module is interchangeable with the old one and is fitted to old units as a spare.
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H-BMC firmware 2.24: fix for HSA-26-0002
H-BMC 2.24 corrects the denial-of-service vulnerability described in HSA-26-0002. All integrated systems shipped from Koriyama Works from June 15, 2026 have 2.24 or later installed.
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Change of load-cell ADC reference component (form, fit and function equivalent)
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Touch controller firmware 3.8 for wet-screen operation
Firmware 3.8 reduces false touches when water is on the glass. Install it with the maintenance tool from Downloads.
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Slide rail compatibility for 600 mm cabinets
In 600 mm deep cabinets use the RK2-S short rails. The standard RK2 rails need 680 mm.
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Platform firmware 4.12 (HSA-25-0003)
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Battery charge profile for lithium-ion packs
† Registered partners only.