Alarm led indicator wont stop flashing unless i unplug the 12+ wire

USA car answer, you never said country

the license plate wire, to LED in turn new is here
OG/BLK

BK ON BOTTOM IS GROUND./

First, always check carbon brushes on main motor especially if the appliance is in use for several years.

Five times the red alarm means a problem with the engine washing.
So, could be:

E51 - Motor power triac short-circuited.
Current leakage from motor or from wiring; Main PCB faulty
E52 - No signal from motor tachometric generator.
Wiring faulty; Motor faulty; Main circuit board faulty.
E53 - Motor triac sensing circuit faulty (wrong input voltage to
microprocessor). Main circuit board faulty.
E54 - Motor relay contacts sticking (high voltage level when
the relay switches to OFF).
Current leakage from motor or from wiring; Main PCB faulty;

Rapid reading last alarms:
Press the START/PAUSE button and the nearest option button simultaneously (4 and 6) for at least 2 seconds: the LEDs initially switch off, and then display the flashing sequence indicating the last alarm.
Dado

Most likely the 12 volt led light burned out.. all bulbs LED too don't last.. Find the 2 wires usually Black and red and check for 12 volts with the alarm set and if you have 12 volts,. you need to go to radio shack and see if they still have 1. 2 volt led bulbs.. Good luck.

Displaying the alarm code

The alarm code is displayed by a repeated sequence of flashing of the ANTI-CREASE/END OF CYCLE LED (0.4 seconds on, 0.4 seconds off, with a pause of 2.5 seconds between sequences). The buzzer emits a series of ,bips" in synchronization with the flashing of the LED.

• ANTI-CREASE/END OF CYCLE LED: indicates the first number of the a alarm code
• START/PAUSE LED: indicates the second number of the alarm code

Now you must count how many times the LED lit up and we will know the fault code.

Dado

http://www.kidde.com/Documents/User-Guide-900-0102-A-ENG.pdf Remember that smoke take presidence over C/O detection so notice whats going off first . LED Indicator Operation
Red LED
The red LED will flash as described below under the following
conditions:
--During smoke or CO alarm, with every beep
--During testing (same as alarm)
--Low battery, single flash with chirp
--End of product life, double flash every 30 seconds with chirp
--Unit error mode, single flash with chirp
--Unit error mode, a Fault Code is flashed every 30 seconds (can
be observed and reported to customer service for
troubleshooting. Above is the user guide.

Change the 9V backup battery,with a new one.Push and hold the reset button for a minute or two for the alarm to to go off like about 30-40 sec. for the smoke detector to dectected the 9V backup battery power sourced.The green power LED light indicator will stop flashing also the beeping sounds too.

The indicators are wired in to the alarm wires in the loom, i would suggest you check the signal fuse, and the relay, poss switch, do the indicators *** on but not flash? If not and the fuse is ok remove flasher relay and join the wires together if the indicators light this proves the circuit is ok and the relay must be at fault,are the indicators standard, or led

First: make rapid reading of alarms
How: the appliance is in normal operating mode (e.g. while the washing programme is in operation) than:
Press START/PAUSE and any one of the option buttons
simultaneously for at least two seconds: the LEDs first switch off,
and then display the flashing sequence corresponding to the
alarm condition.
The alarm is displayed by a repeated flashing sequence of the two LEDs: 1. END OF CYCLE indicator = indicates the first digit of the
alarm code (family)
2. START/PAUSE ? indicates the second digit of the alarm
code (number within the family).

After reading alarm code look down=
Could be:

E33 - Incongruence between contact closure of antiboiling and 1st
level of pressure switch.
Remedy: Pressure switch faulty; Current leakage from heating
element to ground; Heating element; Wiring faulty; Circuit
board faulty.
E35 - Water overflow.
Remedy: Water fill solenoid faulty; Leaks from pressure
switch hydraulic circuit; Pressure switch faulty; Wiring
faulty;Circuit board faulty
E36 , E37, E39 - Circuit board faulty

Dado