PMX MANUAL
32
118164-001 REV. A
CHAPTER 5
TROUBLE SHOOTING
5.1
INTRODUCTION
Fault or error message will be indicated via
system status indicator or serial message
during abnormal operation. This Chapter
contains tables of those messages and
suggests actions to be taken by service
personnel to correct any malfunctions that may
occur.
5.2
STATUS AND ERROR CODES
5.2.1
Status Messages
LEDs provide status indication of the necessary
diagnostics needed for recognizing the
operation/shutdown mode of the generator.
LEDs display the following information:
System Control Board 460220-001
LED
DEFINITION
COLOR
NORMAL
STATE
FUNCTION
DS1
Not used
DS2
+24V
GREEN
Lit
In24V power supply is active.
DS3
DSP Alive
RED
Lit
DS4
STATUS BIT1
YEL
Lit
3 bit status lines for status
messages.
Refer to chapter 3 the status
messages matrix.
DS5
STATUS BIT2
YEL
Lit
DS6
STATUS BIT3
YEL
Lit
DS7
READY
YEL
Lit
Indicate the generator is ready for X-
Ray exposure.
DS8
SPARE
YEL
Lit
DS9
FAULT
RED
Lit
Indicate generator fault.
DS10
X-Ray
shutdown/AEC
YEL
Lit
Indicate the status of the signal (JB1-
12).
DS11
SF
YEL
Lit
Filament selection indicator.
DS12
Rotor on
GREEN
Lit
Starter status indicator.
DS13
HSS fault
RED
Lit
Indicate high speed starter fault.
DS14
Prep
GREEN
Lit
Synchronizing indication of Prep
signal.
DS15
Safety Int’lk
GREEN
Lit
Safety interlocks status indication.
DS16
X ray ON
RED
Lit
Synchronizing indication of X-Ray On
signal.
DS17
FPGA HEART
BEAT
YEL
Lit
Indicate FPGA is working.
DS18
Rotor brake
YEL
Lit
Indicate brake status of starter.