RFL 9780 RFL Electronics Inc.
October 12, 1999 5-1 (973) 334-3100
SECTION 5. MAINTENANCE
WARNING
HAZARDOUS VOLTAGES CAN BE PRESENT INSIDE RFL 9780 TERMINALS.
BEFORE ATTEMPTING MAINTENANCE, BE SURE TO READ AND COMPLY
WITH THE HIGH VOLTAGE WARNING AND SAFETY SUMMARY
INFORMATION ON PAGES iii AND iv OF THIS MANUAL.
ALL RFL 9780 TERMINALS ARE EQUIPPED WITH PROTECTIVE COVERS THAT
EXTEND ACROSS THE REAR OF THE CHASSIS. THESE COVERS ARE
INTENDED TO PROTECT THE OPERATOR FROM POTENTIALLY HAZARDOUS
VOLTAGES, WHICH MAY BE PRESENT ON THE REAR PANEL TERMINAL
BLOCKS. THESE COVERS MUST ONLY BE REMOVED BY QUALIFIED SERVICE
PERSONNEL WHEN ACCESS TO THE REAR PANEL IS REQUIRED. IT MUST BE
REPLACED BEFORE PLACING THE TERMINAL BACK IN SERVICE.
5.1 INTRODUCTION
This section provides maintenance instructions for the RFL 9780. Topics discussed include removal
and replacement procedures, fuse replacement and corrective maintenance information. Information is
also provided on how to arrange for service by RFL personnel.
CAUTION
EACH MODULE POSITION IN THE RFL 9780 CHASSIS IS DEDICATED TO A
SPECIFIC MODULE TYPE, AS INDICATED BY A LABEL ALONG THE FRONT OF
THE CHASSIS. EVEN THOUGH THE MODULES ARE KEYED, THEY CAN STILL
SUFFER COMPONENT DAMAGE, DUE TO DIFFERENT COMPONENT HEIGHTS,
IF THEY ARE INSTALLED IN THE WRONG CHASSIS SLOT. WHEN REMOVING
AND REPLACING MODULES, USE THE LABEL IN THE CHASSIS AS A GUIDE TO
MAKE SURE EACH MODULE IS IN THE PROPER SLOT.
MAKE SURE THE POWER SWITCH ON THE RFL 9780’S POWER SUPPLY
MODULE IS IN THE OFF POSITION BEFORE ATTEMPTING TO REMOVE OR
REPLACE ANY CIRCUIT BOARD MODULE OR I/O MODULE. SYSTEM
PERFORMANCE CANNOT BE GUARANTEED IF MODULES ARE REMOVED OR
REPLACED WITH THE POWER SUPPLY ENERGIZED.
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