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F
AULT CODES AND ERROR MESSAGES
Fault codes and error messages
In the event of a malfunction, the built-in, self-test and diagnostic system displays a message and the
status indicator flashes a code. The message heading Error indicates a fault or condition that inter-
rupts normal operation.
If the display shows an error message, the unit should be switched off and then on again. If the display
still shows an error message after switching on again. the unit should be returned to GE or a GE autho-
rised repair depot.
Front Panel Four LED Flash Code
In a situation arising where all four of the LEDs on the front panel are flashing together with a factory
code sequence (presented in red and green LED colours), an ADTS controller & boot loader software
download should be attempted in the first instance. Once the software downloads are complete the
unit is to be power cycled. If all four of the LEDs, after the power cycle, are again presenting the flashing
sequence the unit should be returned to a GE service department.
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