Regal 53 SC Owner's Manual page 438

AC ELECTRICAL DIAGNOSTICS
PROBLEM
No AC power
No power to AC outlets and/or
equipment
Main ship's breaker continues to trip Faully main breaker
Inadequate AC power with genset
running
POSSIBLE CAUSE
Main shore power breakers tripped
or in "off " position
Dock power in "off " position
Shore power cord not connected
Faulty connection
Earlier yachts-Triple breaker tripped
at output of isolation transformer
Main AC ship's panel breakers tripped
or in "off " position
Shore power cord not connected
GFCI tripped
Electrical demand greater than elec-
trical output
13
Troubleshooting
POSSIBLE FIX
Energize shore power inlet breakers
Activate dock power
Plug in shore power cord; twist to
lock
Repair as needed
Repair as needed. Reset breakers
Reset or activate main breakers
Plug in shore power cord
Find cause of trip. Reset GFIC
Contact yacht authorized dealer
Turn off appropriate equipment
breakers to lessen load