Specifications

SQ: 6-9
RS3: Service Quick Reference Guide
ControlFiles
ControlFile Power Regulator 5 and 12 VDC LEDs and Test Points
LED
Meaning and Response
+12 V POWER
CHARGE
(DS11)
Input capacitors are charging as you insert the card with card
cage power on. Slowly insert the card into the ControlFile
Motherboard connector (+12 A ND +5 V Power Charge LEDs
will blink on briefly).
+5 V POWER CHARGE
(DS10)
Same as +12 V Power Charge above.
INPUT B STATUS
(DS9)
Bus B (24 V DC or 30 VDC) from the DC distribution system is
within operating tolerance.
Normally OFF If only one DC bus used.
INPUT A STATUS
(DS8)
Bus A (24 V DC or 30 VDC) from the DC distribution system is
within operating tolerance.
-- 1 2 V S TAT U S
(DS7)
The --12 VDC regulator is within operating tolerance. If HD2 is
jumpered, DS7 is forced ON and --12 VDC is disabled.
+12 V STATUS
(DS6)
The + 12 VDC regulator is within operating tolerance.
+5 V STATUS
(DS5)
The +5 VDC regulator is within operating tolerance.
CARD FAULT (DS4)
One of the regulator sections (+5, +12, --12 VDC) is out of
operating tolerance. Replace the card.
12VFUSEBLOWN
(DS3)
Replace Fuse F1 (+ 12 VDC supply sections of the Power
Regulator).
5 V FUSE BLOWN
(DS2)
Replace Fuse F2 (Power to the +5 VDC Power Regulator).
CARD GOOD
(DS1)
+5, +12, and --12 VDC Supplies are within operating tolerance.
Does not include status of the DC buses.
Test Point Function
BROWN Ground return
BLUE --12 VDC Regulator
YELLOW +5 VDC Regulator
RED +12 VDC Regulator
WHITE +5 V Relative current indication
GREEN +12 V Relative current indication