Manitowoc QuietQube Indigo Series Technician's Handbook page 120

Yes
Control board fuse
is good?
No
Replace fuse & determine which
component caused fuse to blow
Yes
Yes
Refer to display & control
board diagnostics
Bin switch light on?
(Multi evap all lights on?)
Yes
Yes
Refer to display & control
Display light
No
flashing
heartbeat?
Install the water curtain/damper.
No
All water curtains or
No
dampers in place?
Yes
board diagnostics