GALaxy eHydro Elevator Controller Section 6 – Main CPU Faults & Detailed Faults
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Table 6-0: Main CPU Faults
Possible Cause/Suggested Fix
The Hall Call Driver
Board is not receiving
packets from the
bottom station.
• Cable is bad or disconnected
• Cables going to wrong port (i.e., switched TO ABOVE and
TO BELOW)
• Transmitter from device above or below is bad, check
faults for that device.
• Receiver on board is bad – replace device
The Hall Call Driver
Board is cannot
internally read
information that it
transmitter to the
bottom station
• Cable connecting two devices could be flip- flopped (i.e.,
gray wire goes from pin 1 on one end to pin 8 on the other
end). Disconnect cable, and if fault changes to Rx Fault, the
problem is the cable.
• Cables going to wrong port (i.e., switched TO ABOVE and
TO BELOW)
• Transmitter is bad – replace the Device.
The Hall Call Driver
Board is not receiving
packets from the top
station.
• Cable is bad or disconnected
• Cables going to wrong port (i.e., switched TO ABOVE and
TO BELOW)
• Transmitter from device above or below is bad, check
faults for that device.
• Receiver on board is bad – replace device
The Hall Call Driver
Board has too few
stations detected
based on the
controller
configuration. This
fault will only trigger if
loop is closed.
• Check configuration and number of stations
The Hall Call Driver
Board has too many
stations detected
based on the
controller
configuration.
• Check configuration and number of stations
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