Troubleshooting
6-94 Manual # 42-02-7223
ICE-IEQ Earthquake Board
The Earthquake board provides an interface between motion sensing devices and the iControl
elevator controller.
Figure 6.7 ICE-IEQ Earthquake Board
Table 6.15 Earthquake Board Connections
Connector Signal Connector Signal
EQSP 1:Spare. 0V=Normal. 120VAC=Tripped
1: Common
ESS: 120VAC= Normal, 0V= Tripped
(120VAC from #2 bus, through sensor to ESS)
CWX2: 18VAC
CWX1: 18VAC
CW2: 24VDC= Normal, 0V= String shorted
CW1: 24VDC= Normal, 0V= String shorted
EQSP LED
On = EQ fault
Off = No EQ fault
ESS LED
On = Normal
Off = Seismic device tripped
+24VDC Test point
CW2 LED, On = CW String OK
CW1 LED, On = CW String OK
EQ Board Reset
On = EQ sensor tripped
Fuse FCW
1/4A, 250V, MDQ
Testpoints
GND,
+5V,
+3.3V
Board Query LED
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