-AINTENANCE AND FAULT TRACING
6+
6
# ' #
#LOCK MODULE
ON MULTI PIN SOCKET
&IGURE 0OSITION OF THE CLOCK MODULE
&AULT TRACING
)F THE DEVICE INDICATES A DEFECT THE FOLLOWING PROCE
DURE IS SUGGESTED
)F NONE OF THE ,%$S ON THE FRONT PLATE OF THE MODULE IS
ON THEN CHECK
(AS THE MODULE BEEN PROPERLY PUSHED IN AND
LOCKED
)S THE /./&& SWITCH ON THE FRONT PLATE IN THE /.
POSITION
)S THE AUXILIARY VOLTAGE AVAILABLE WITH THE CORRECT
POLARITY AND OF ADEQUATE MAGNITUDE CONNECTED
TO THE CORRECT TERMINALS 'ENERAL DIAGRAMS IN !P
PENDIX !
(AS THE MINI FUSE IN THE POWER SUPPLY SECTION
BLOWN SEE &IGURE )F APPROPRIATE REPLACE THE
FUSE ACCORDING TO 3ECTION
)F THE RED FAULT INDICATOR "LOCKED ON THE FRONT IS ON
AND THE GREEN READY ,%$ REMAINS DARK THE DEVICE
HAS RECOGNIZED AN INTERNAL FAULT 2E INITIALIZATION OF
THE PROCESSOR SYSTEM COULD BE TRIED BY SWITCHING
THE PROCESSOR SYSTEM OFF AND ON AGAIN BY MEANS OF
THE SWITCH IN THE FRONT PLATE 4HIS HOWEVER RESULTS IN
LOSS OF ANNUNCIATIONS AND MESSAGES IF THE RELAY IS
NOT EQUIPPED WITH THE CLOCK MODULE AND IF A PARA
METERIZING PROCESS HAS NOT YET BEEN COMPLETED THE
LAST PARAMETERS ARE NOT STORED
