SERVICE MANUAL R5888B
QUADRAMHO Chapter 6
Addendum A
Page 2 of 15
Test option no. Test and method LED indications Comments
43 Overvoltage level A–N A
detectors B–N B
(secondary inject voltage) C–N C
Pushbutton & pushbutton Z2
override
(operate push-button or
apply 0V to SK1 Pin9)
Low set current level A Z3
detectors B AIDED TRIP
(secondary inject current) C SOTF
N V~ FAIL
45 Self check of Zone 1 A–N A The LED lights for
comparators B–N B the appropriate
C–N C comparator if it
A–B Z2 passed the last
B–C Z3 self check. If all
C–A AIDED TRIP 8 LEDs are
illuminated, self
check has not
occurred.
46 Self check of Zone 2 A–N A As option 45
comparators B–N B
C–N C
A–B Z2
B–C Z3
C–A AIDED TRIP
Figure 1: Sheet 2
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