4-10
Copyright 2017 Cummins Inc.
TABLE 4-2.WARNING AND SHUTDOWN CODES
(CONTINUED)
SYMPTOM CORRECTIVE ACTION
Warning lamp lights.
MESSAGE:
OVERCURRENT
320 − WARNING
Indicates that alternator output current has exceeded
110% of rated for 60 seconds.
Check load and load lead connections.
Shutdown lamp lights.
MESSAGE:
OVERCURRENT
321 − SHUTDOWN
Indicates that alternator output current has exceeded
110% of rated, and that a PCC time/current calcula-
tion has initiated an overcurrent shutdown.
Check load and load lead connections.
Shutdown lamp lights.
MESSAGE:
SHORT CIRCUIT
322 − SHUTDOWN
Indicates that alternator output current has exceeded
175% of rated.
Check load and load lead connections.
Warning lamp lights.
MESSAGE:
OVERLOAD
330 − WARNING
Indicates that three-phase power output exceeds
105% of standby (or 115% of prime) rating. After five
seconds, the Load Dump output is activated. After 60
seconds, the OVERLOAD warning is activated.
Check load and load lead connections.
Many troubleshooting procedures present hazards which can result in severe personal
injury or death. Only qualified service personnel with knowledge of fuels, electricity, and mechani-
cal hazards should perform service procedures. Review Important Safety Instructions page.
WARNING
Indicates that engine speed has dropped below 90%
of nominal for 10 seconds.
NOTE: Five seconds before shutdown, a Load Dump
signal is initiated.
Check fuel supply, intake air supply and load.
Shutdown lamp lights.
MESSAGE:
UNDER FREQUENCY
313 − SHUTDOWN
Shutdown lamp lights.
MESSAGE:
REVERSE POWER
335 − SHUTDOWN
Indicates improper CT or PT phasing. (Non-parallel
units only.)
Check CT / PT wiring. Refer to CT Installation in Sec-
tion 5.
MESSAGE:
INVALID SETUP
Indicates that the digital board is not properly cali-
brated for the generator set model. Refer to Digital
Board (A32) Calibration in Section 5.
MESSAGE:
INVALID CAL
Indicates that the digital board is not properly cali-
brated for the generator set model. Refer to Digital
Board (A32) Calibration in Section 5.
To Next Page
Loading...