Alarms List And Troubleshooting Tips; Warning Alarms - S&C PureWave Operation And Maintenance

Operation
22 S&C Instruction Sheet 653-506

Alarms List and Troubleshooting Tips

The PureWave UPS System contains an extensive self-diagnosis system. If any abnormal
condition occurs or if the system cannot protect the load from a disturbance, the system will
activate an alarm. The alarms can be categorized by alarm type. Alarm types are categorized
as Warning, Inhibit, Bypass, and Bypass Isolate.
The troubleshooting tips listed in the following tables are for guidance purposes . Please
contact S&C Electric Company if more troubleshooting assistance is required or if there
are any doubts about how to handle an alarm event .
Some alarms in the following tables may be masked and will not be available for use .
Alarms can also be reconfigured during operation and should be documented accordingly .

Warning Alarms

A Warning alarm indicates a condition that requires attention. The system will remain in
the Ready state, protecting the load from power disturbances. See Table 3 for the listed
warning alarms.
Table 3. Warning alarms.
Warning Alarms
Best Power Circuit Warning
Broken Thermocouple
CB Over Current
Charger Start Alarm
Container Over Temp
Container Under Temp
Genset CB Close Alarm
Genset CB Open Alarm
Genset Start Alarm
Input CB Alarm
NOTICE
Description
Indicates the sequence of switching for the control
power has malfunctioned
Troubleshooting Tip: Call S&C Electric Company .
Indicates a broken thermocouple inside the system
enclosure
Troubleshooting Tip: One of the thermocouples
plugged into the analog interface board on the PCS
panel has been unplugged or is broken . Verify each is
plugged in . If so, check the thermocouples for broken
connections .
Indicates one of the bypass or isolation circuit breakers
tripped because of an overcurrent
Troubleshooting Tip: After verification and gathering
information on the states leading the system to this
fault, reset the system and verify the fault clears . If
problem persists, contact S&C Electric Company .
Indicates the charger has not turned on as expected
Troubleshooting Tip: Turn off the dc power to the
module . Contact S&C Electric Company .
Indicates the temperature inside the system enclosure
is over 40°C (104°F)
Troubleshooting Tip: The air conditioners may not be
working or they may not be able to keep up with the
temperature rise . Check the output block that turns on
the contactors and the circuit breakers that feed the air
conditioners . It may also be that the air conditioners are
frozen and need to be de-iced .
Indicates the temperature inside the system enclosure
is below 5°C (41°F)
Troubleshooting Tip: The heater in the air curtain may
not be working . Check the output block that turns on
the heater and the circuit breaker that feeds the air
curtain .
Indicates the generator circuit breaker did not close as
expected
Troubleshooting Tip: Call S&C Electric Company .
Indicates the generator circuit breaker did not open as
expected
Troubleshooting Tip: Call S&C Electric Company .
Indicates the generator did not start as expected
Troubleshooting Tip: Call S&C Electric Company .
Indicates the input circuit breaker is open when it
should be closed, or closed when it should be open
Troubleshooting Tip: Contact S&C Electric Company .