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S&C Instruction Sheet 653-502
Bypass Alarms
A
Bypass
alarm indicates a condition that requires attention and places the system in the
Bypass
state. The system is not available to protect the load from power disturbances.
See Table 6 for the listed
Bypass
alarms.
Bypass Alarm
Description
Bypass CB Alarm
Indicates the bypass circuit breaker is open when it should be closed, or closed when it should be open
Troubleshooting Tip: Contact S&C Electric Company.
Remote Disable
Indicates the system was disabled remotely
Troubleshooting Tip: If the customer did not remotely disable the system, contact S&C Electric Company.
UPS Output Fault
Indicates a fault downstream of the system
Troubleshooting Tip: Investigate the distribution system and loads before returning the system to the Ready state.
Table 6. Bypass alarms.
Operation
Bypass Isolate Alarms
A
Bypass Isolate
alarm indicates a condition that requires attention and places the sys-
tem in the
Bypass Isolate
state. The system is not available to protect the load from a
power disturbance. See Table 7 for the listed
Bypass Isolate
alarms.
Bypass Isolate Alarm
Description
Fire Hot Temp Zone #
Indicates temperature is over 65°C (149°F) at the designated bay
Troubleshooting Tip: There is a fire in the designated zone. Contain the fire and then contact S&C Electric Company.
Fire Hot Temp
Indicates the temperature inside the enclosure has reached 65°C (149°F)
Troubleshooting Tip: There is a fire in the container. Respond to the fire and then contact S&C Electric Company.
Neutral Res Voltage
Indicates a bad system neutral or module fault
Troubleshooting Tip: Contact S&C Electric Company.
Open PES Alarm
Indicates the PES is expected to close but does not
Troubleshooting Tip: The system will automatically reset three times. After the third time, if the PES is still open, contact S&C
Electric Company.
Operation Disabled
Indicates the load has been placed in the Bypass Isolate state via the ENABLE/DISABLE toggle switch.
Troubleshooting Tip: No action is required. However, if the system was not disabled by the switch or pushbutton, contact S&C
Electric Company.
Shorted PES Alarm
Indicates the PES is shorted
Troubleshooting Tip: Contact S&C Electric Company.
Smoke In Container
Indicates the smoke detector detected smoke
Troubleshooting Tip: Investigate whether there is a possible fire inside the container. After the smoke has cleared call S&C
Electric Company.
Table 7. Bypass Isolate alarms.