BOSE Powered Acoustimass 30 Series II Acoustimass Amplifier Module 251571 134209442721 but shows error "Fault -

but shows error "Fault - Cold Side" When you press on the fault

Manufacturer Planar Part Number 997-3497-01 Model Number PX2611W SKU 19-62816 Ref 23-88750

Manufacturer Hamilton Model Number 1750LT SKU 19-64057 Ref 23-90560

Manufacturer Panasonic Model Number DMR-ES20 SKU 19-27747 Ref 23-95322

Manufacturer Lenovo Model Number ADLX90NCC2A SKU 19-68706 Ref 23-98033

BOSE Powered Acoustimass 30 Series II Acoustimass Amplifier Module 251571 134209442721 but shows error "Fault -This item is out of stock. Contact us to be notified when it becomes available again. Specifics Manufacturer BOSE Model Number 251571 SKU 19 31469 Ref 23 87711