GALaxy eHydro Elevator Controller Section 6
– Main CPU Faults & Detailed Faults
6-62
Table 6-0: Main CPU Faults
Faults
Description
Possible Cause/Suggested Fix
HC DrvBd Rx from
Bot
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
HC DrvBd Tx to Bot
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.
HC DvrBd Rx from
Top
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 o
n board is bad
–
replace device
HC DvrBd Too Few
Dev
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
HC DvrBd TooMany
Dev
The Hall Call Driver
Board has too many
stations detected
based on the
controller
configuration.
• Check configuration and number of stations