It means "protect". It's possible that a speaker cable is touching or shorted out somehow. Check all wires and speakers for faults. Then try again. If it doesn't correct itself, it might have an internal short in the main amp.
SOURCE: SAMSUNG HT-TZ212 home cinema kit comes up with protect
Protect mode will kicking whenever a fault is detected.
Causes that can start protect mode are:
Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.
Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.
Internal fault.
Internal
fault is the natural cause for protect mode. If all the above did not
work, then the problem is a blown component or an internal fault. In
this case the unit must be taken apart , tested and repaired by an
experienced person.
If the unit is less than one year old, or if you
want to get service, call Sony at the phone number listed on the
product documentation.
Regards.
SOURCE: i have a samsung HT-Z320 home theater system. when
the player's amplifier is blown and needs to be repaired or replaced.
SOURCE: HT-Z320 displays PROT code and then shuts down
i had the same problem a prot display then it would shut down. turns out i had the sub disconnected(noise complaint from the shaking at my apartment complex) but the speaker wires for the sub connected to the amp or central unit. when i disconnected the sub i left the wires on the floor behind the sub separating the pos. and neg. somehow the wires got moved around and the pos was touching the neg. as soon as i noticed and fixed this problem the system was working fine. my samsung hometheater model is HT-BD1250
SOURCE: samsung ht c550, enciende, saluda,
when i turn on my Samsung HT-C550 IT showing PROT and DVD turn off. What this is mean PROT?
SOURCE: when i turn on my
PROT means that the AMP is protecting itself from damage due to bad or incorrect wiring or damaged and or incorrect speakers. Check your wiring and speakers.
If you find no problem then, DISCONNECT YOUR SYSTEM FROM THE POWER, disconnect your speaker wires...all of them, then reconnect the power ONLY, turn on the system and see if it still says PROT. If it does then your amp is damaged.
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