7.2. Alarm LED Summary

There are three types of alarms; each will be discussed in a section below:

Alarms that Cause STEADY RED LED

The following alarms will cause the RED HHS LED to illuminate:

• Relay Board Failure
• Battery Bay Alarms:
  • Battery Bay High Temperature
  • Battery Bay Low Temperature
  • Battery Bay Temperature Controller Failure
  • Battery Bay Fan Failure
• Electrical Bay Alarms:
  • Electrical Bay High Temperature
  • Electrical Bay Low Temperature
  • Electrical Bay Tempco Failure
  • Electrical Bay Fan Failure

Alarms that Cause STEADY RED LED (for Included Options)

The following alarms will cause the RED HHS LED to illuminate only if the optional components/features indicated are included and have an alarm condition:

• Hydrogen Alarms:
  • Hydrogen 1%
  • Hydrogen 2%
• Smoke Alarm
• Door Open
• Air Conditioner 1 / 2 Failure
• Charger Alarms:
  • Charger 1 / 2 Comm Failure
  • Charger 1 / 2 High Voltage DC
  • Charger 1 / 2 Low Voltage DC
  • Charger 1 / 2 DC Output Failure
  • Charger 1 / 2 AC Input Failure
  • Charger 1 / 2 Positive Ground Fault
  • Charger 1 / 2 Negative Ground Fault

Alarms that Cause BLINKING RED LED

The following alarms will cause the RED HHS LED to blink:

• Control Board Failure
• Fire Suppression Active Alarm