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iControl Circuit Board Quick References
iControl AC
6
Manual Reset Regardless of switch settings, the LEDs have the same meaning during
reset and startup.
• When the reset button is release, the LEDs will light up one at a time in the following
sequence - (1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1). Normal operation should commence
immediately following the reset sequence.
If the reset sequence consists of three iterations of all LEDs on at the same time followed by all
LEDs off, the board has been programmed with a non-production version of firmware. The
board should be reprogrammed.
Diagnostic Switches The Diagnostic Switches should all be in the fully OFF position in
normal operation. Be sure to push the switches firmly in the appropriate direction when setting
the switches. The use of a small screwdriver or ballpoint pen is recommended.
Normal Operation The normal operating condition is with all DIP switches OFF.
When the iBox is not active, only LED 5 will toggle. When the iBox is active and normal opera-
tions are in progress, LEDs 1, 4 and 5 will toggle regularly.
Firmware Download Firmware updates can be downloaded via iView. Normally, no
manual intervention is needed at the cartop. However, if a problem does develop, the following
may be of use in recovering:
1. Set the S1 DIP switches 1, 6 and 8 = ON.
2. Press the manual Reset button on the ICE-CTP-2 board. This tells the cartop firmware
to wait for a firmware download without attempting to run the normal cartop applica-
tion first.
3. Perform the firmware update using iView (File > Firmware Update).
Battery If the elevator performs a terminal sync when power is restored, check the ICE-
CT-2 battery with a volt meter. If the top of the battery measures below 2.8 Vdc with respect to
GND, replace the battery with a CR2477 or equivalent battery.
Table 6.4 Diagnostic Indicators (Normal Operation - All DIP Switches OFF)
LED Description
1 Message input from iBox to iLink. With normal communication, toggles every 80mS. Goes
OFF and stays OFF if input is lost.
2 Indicates cartop detected unintended motion safety fault. With the car on Passenger opera-
tion, after the car had reached a landing, the car moved at a speed greater than 150 feet-
per-minute.
3 Indicates that the cartop detected an unintended motion safety fault. With the car on
Inspection, after the car had reached a landing, the car moved with doors open.
4 Message output from iLink to iBox. With proper communication, toggles approximately every
80mS. Goes OFF and stays OFF if output is lost.
5 This is the “alive” indicator. It toggles every 80mS during normal operation.
6 Lights when the car is on Inspection mode.
7 Unused.
8 Indicates that an interrupt is being serviced. If it goes off and stays off, the board is not
functioning normally and should be reset (press the RESET button).
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