HOME SETUP TIMER
How long should a GE portable air conditioner stay unplugged to reset?
Quick answer
Use 3 minutes–5 minutes as the starting point.
Before reconnecting power for a reset
Start a reminder timer
3 minutes
Timer has not started.
When it rings: Reconnect and check for normal operation.
What the source actually says
GE support recommends unplugging the cited portable unit for three to five minutes.
Check the manual for the exact model before treating this as a universal reset.
Source
Read the manufacturer guidance. Model instructions override this general page.