GALaxy eHydro Elevator Controller Section 6 – Main CPU Faults & Detailed Faults
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Table 6-2: Faults from the Hall Call Driver Board Devices on the GRCAN Serial Port
Possible Cause/Suggested Fix
HCB Aux Down input
overload
• Controller detected overload in the input from the Aux terminal
at the station. To identify fault device refer to Detailed Fault Log
'dev' and 'dv2' will provide address for Serial Driver address and
Station where the fault was generated.
HCB Aux Up input
overload
• Controller detected overload in the input from the Aux terminal
at the station. To identify fault device refer to Detailed Fault Log
'dev' and 'dv2' will provide address for Serial Driver address and
Station where the fault was generated.
The Driver does not
see this HCB device
• Comm faults above and below a device – check wiring
• Board not powering up – check 24VAC and MCU on device
• Fuses blown on driver
The Driver does not
see this HCB device
• Comm faults above and below a device – check wiring
• Board not powering up – check 24VAC and MCU on device
• Fuses blown on driver
The HCB has just
comeback online
• Fixed previous problem.
There is a power/communication problem, where the board is
either resetting (power) or temporarily losing communication on
both ports.
The HCB has just
comeback online
• Fixed previous problem.
There is a power/communication problem, where the board is
either resetting (power) or temporarily losing communication on
both ports.
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