Generac Power Systems Power Zone Pro Sync Owner's Manual page 62

Troubleshooting
DOF
FC DOF REVERSE POWER ALARM
FC DOF INTERNAL EXERCISE ACTIVE
FC DOF RPM MISSING
The following Digital Output Functions reflect the associated internal fault states.
FC DOF IF GEN SWITCH TRIPPED
FC DOF IF GEN SWITCH FAILED TO CLOSE
FC DOF IF GEN SWITCH FAILED TO OPEN
FC DOF IF UTIL SWITCH TRIPPED
FC DOF IF UTIL SWITCH FAILED TO CLOSE
FC DOF IF UTIL SWITCH FAILED TO OPEN
FC DOF IF MCB FAILED TO OPEN x
FC DOF IF MCB OPEN x
FC DOF IF SYNCH FAULT VOLTAGE MATCH
FC DOF IF SYNCH FAULT FREQUENCY MATCH
FC DOF IF SYNCH FAULT PHASE
ANGLE MATCH
FC DOF IF NEGATIVE REAL POWER
FC DOF IF CAN COMMS FAULT 1
FC DOF IF CAN COMMS FAULT 2
FC DOF IF CAN COMMS FAULT 3
FC DOF IF ETHERNET COMMS FAULT
FC DOF IF RS485 COMMS FAULT
FC DOF IF HW OVERSPEED SHUTOFF
FC DOF IF SYSTEM RESET OCCURRED xx
58
DOF Description
The negative power alarm is active.
Generator is currently running in exercise mode due to a
calendar command.
RPM sensing is reporting and RPM value too low for the
current run state.
Generator transfer switch opened unexpectedly.
The Generator Transfer Switch has failed to close at the
command.
The Generator Transfer Switch has failed to open at the
command.
Utility transfer switch opened unexpectedly.
The Utility Transfer Switch has failed to close at the
command.
The Utility Transfer Switch has failed to open at the
command.
The Main Circuit Breaker has failed to OPEN at the
command. "x" can be number 1-4.
The Main Circuit Breaker is OPEN (off bus). "x" can be
number 1-4.
The generator failed to synchronize to a live source due to
voltage not matching.
The generator failed to synchronize to a live source due to
frequency not matching.
The generator failed to synchronize to a live source due to
voltage phase angle not matching.
Generator shutdown for sinking too much power.
Communication between CAN devices has failed on CAN
bus #1.
Communication between CAN devices has failed on CAN
bus #2.
Communication between CAN devices has failed on CAN
bus #3.
Communication between Ethernet devices has failed.
Communication between RS-485 devices has failed.
Status of Hardware Overspeed Circuit causing a shutdown
of the generator.
Main controller reset has occurred. "xx" can be number 1-
10.
Owner's Manual for Power Zone Pro Sync