Simplex 2120 - Page 29

t
REMOVE ALL FIRE
7
DISCONNECT POWER TO THE ET
ALARM DIGlTAL
REAPPLY POWER TO THE ET
AS FOLLOWS:
MONlTOR DAUGHTER
AS FOLLOWS:
l DISCONNECT BAmERlES
CARDS. (WE ARE
- ’ l CONNECT AC FIRST.
FIRST.
GOING TO USE HALF- . CONNECT BATTERIES
l DISCONNECT AC LAST.
SPLlTTlNG TO FIND
LAST.
THE TROUBLE)
I
SET YOUR VOM TO THE 12DCV
SCALE AND CONNECT lT BETWEEN
TP3 (+ ) AND TP6 (OV)
ON THE POWER SUPPLY BOARD. (USE
ILLUSTRATION FOR REFERENCE)
LEVEL GREATER
1 YES
.
LOWER LEFT-HAND
CORNER OF POWER
SUPPLY BOARD
THERE ARE NO
GROUNDED MONlTOR
POINTS
I
REINSTALL ALL
DAUGHTER CARDS
IN THEIR
ASSIGNED
POSlTlONS
GROUND FAULT Trouble
FIGURE 5D
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