Douglas Fire crews were called to an incident at the Gas site on Battery Pier yesterday morning.
They responded to reports of the fire alarm sounding.
According to Station Officer Brian Quirk, crews were met by staff on the scene who had found the cause to be a mechanical fault on the alarm system.
He added that the problem was 'rectified quickly' and the fire service was in attendance for around 15 minutes.
Fuel price hit may last into winter, says government
Further temporary speed limits on TT course
Western homes to be without water tomorrow
Co-Op ordered to hand over evidence in blind worker's tribunal
Who'll be getting meningitis vaccines?
New atlas shows dramatic fall in Island birth rate
Autocar lavishes praise on Island's roads
Super Unleaded hits almost 165p a litre