Generac Power Systems Power Zone Pro Sync Owner's Manual page 34

Troubleshooting
Alarm Display Text
FAIL START
REPLACE OIL
REPLACE OIL FILTER
REPLACE SPARK PLUG
REPLACE AIR FILTER
REPLACE BATTERY
GENERAL SERV REQ
XFER SWITCH UTIL MAINT
XFER SWITCH GEN MAINT
TASK TIMEOUT
TASK EXIT
HW OVERSPEED SHUTOFF
WATCHDOG RESET OCCURRED
CHECKSTOP RESET OCCURRED
SYSTEM RESET OCCURRED
MPS COMMS FAIL
MPS OUT OF SERVICE WARNING
MPS GEN ADDED
PLC GEN DISABLED
CURRENT PROTECTION
OVER CURRENT PROTECTION
ENGINE STALLED
STARTER NOT ENGAGED
BOSCH THROTTLE STUCK
30
Type Alarm Description
SD Generator failed to start after preselected
number of attempts
WN Oil maintenance thresholds exceeded
WN Oil Filter maintenance thresholds exceeded
WN Spark plug maintenance thresholds exceeded
WN Air filter maintenance thresholds exceeded
WN Battery maintenance thresholds exceeded
WN General maintenance thresholds exceeded
WN Utility transfer switch maintenance thresholds
exceeded
WN Generator transfer switch maintenance
thresholds exceeded
SD One or more firmware tasks have timed out -
Trips E-Stop circuit
SD Main Controller operating system task exited
unexpectedly
SD Hardware overspeed circuit triggered - Trips E-
Stop Circuit
SD Microcontroller watchdog timed out and
generated a system reset
SD Microcontroller internal fault generated a system
reset
SD Microcontroller system reset line went active
WN Ethernet communications lost with one or more
expected Main Controllers in an MPS
WN Generator is out of service
WN New Main Controller discovered on the MPS
Ethernet bus
WN This generator is disabled via a PLC program
running on it
2
SD I T current threshold exceeded
SD 300% rated current exceeded for ten seconds
WN Engine stopped running unexpectedly -
Generator shuts down and restarts
AL Cranking voltage profile indicates starter did not
engage
SD Bosch actuator position does not reflect
commanded position
Owner's Manual for Power Zone Pro Sync