Roland FAVORITE ON-OFF Series Service Manual page 66

Check heat load
Tighten bolts or screws
Close all the windows and doors
Remove the obstacles
Reconnect the power or press ON/OFF
bu�on on remote control to restart
Remove them
Heavy load condi�on
Loosen hold down bolts and / or screws
Bad airproof
The air inlet or outlet of either unit is blocked
Interference from cell phone towers and remote
boosters
Shipping plates remain a�ached