Sanyo PLC-XU300A Owner's Manual page 57

Warning log
This function records anomalous operations while the
projector is in operation and use it when diagnosing faults.
Up to 10 warning logs are displayed with the latest warning
message at the top of the list, followed by previous warning
messages in chronological order.
Note:
When the Factory default function is executed, all the
warning log records will be deleted.
Factory default
This function returns all setting values except for the User
logo, PIN code lock, Logo PIN code lock, Lamp counter
and Filter counter to the factory default settings.
Factory default
Setting
57