GALaxy eHydro Elevator Controller Section 6
– Main CPU Faults & Detailed Faults
6-93
Table 6-2: Faults from the Hall Call Driver Board Devices on the GRCAN Serial Port
Fault
Description
Possible Cause/Suggested Fix
Rx<-above fl
HCB rx fault up to
above floor
• Receiver on board is bad –
replace device
• Cable is bad or disconnected
• Cables going to wrong port (i.e., switched to above and to below)
• Transmitter from device above is bad.
Rx<-below fl
HCB rx fault down
from below floor
• Receiver on board is bad –
replace device
• Cable
is bad or disconnected
• Cables going to wrong port (i.e., switched to above and to below)
• Transmitter from device below is bad.
Rx<-below fl
HCB rx fault down
from below floor
• Receiver on board is bad –
replace device
• Cable is bad or disconnected
• Cables going to wrong port (i.e., switched to above and to below)
• Transmitter from device below is bad.
Stck Dn Buttn
HCB stuck button
down
• Button is physically stuck –
fix button
• Input is stuck on or shorted –
replace device
Stck Dn Buttn
HCB stuck button
down
• Button is physically stuck –
fix button
• Input is stuck on or shorted –
replace device
Stck Up Buttn
HCB stuck button up
• Button is physically stuck –
fix button
• Input is stuck on or shorted –
replace device
Stck Up Buttn
HCB stuck button up
• Button is physically stuck –
fix button
• Input is stuck on or shorted –
replace device
Tx->above fl
Can't internally read
information from
Transmitter
to device above
• 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.
• Transmitter is bad, Replace the Device