User's Manual

Andrew Corporation
40 Technology Drive
Warren, NJ U.S.A. 07059
Tel: [phone]
Andrew Wireless Solutions – A Commscope Company
Proprietary – Use Pursuant to Company Instructions
6
Fan Controller LEDs:
Fan Controller Board
LED Status
Alarm
Severity
Possible Failure Modes
LED 1, 4: GREEN No indication NONE / Disabled
LED 2, 3, 5, 6: GREEN
Normal
Operation
LED 2: RED Thermistor shorted or open.
LED 3: RED Fan #3 failed.
LED 5: RED Fan #1 failed.
LED 6: RED Fan #2 failed.
Dry Contact Summary Alarms:
ALARM Possible Failure Modes
Door Alarm Intrusion
Fan Alarm
1. Fan controller loses power.
2. Fan is spinning at less than 1900 RPM.
3. Thermistor shorted or open, resulting in no valid thermistor output.
4. Blocked fan rotor.
Rectifier Alarm Rectifier failure
Minor
MPCA Minor Failure: See “Table 10”, user defined mapping of Door,
Fan, or Rectifier alarms to Minor.
Major
MPCA Major Failure: See “Table 10”, user defined mapping of Door,
Fan, or Rectifier alarms to Major.
Critical
MPCA Critical Failure: See “Table 10”, user defined mapping of Door,
Fan, or Rectifier alarms to Critical.