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, LED 2, LED 5 DISABLED NONE
LEDs 3, 4, 6: GREEN
Normal
Operation
NONE
LED 3: RED “Fan 1” failed.
LED 4: RED
All three temperature-sensing thermistors on the
controller are either shorted or open, resulting in
no valid thermistor output.
LED 6: RED Fan #2 failed.
Dry Contact Summary Alarms:
ALARM Possible Failure Modes
Door Alarm Intrusion
Environmental
Alarm
(ENV)
1. Fan controller loses power.
2. Fan is spinning at less than 1900 RPM.
3. All three thermistors on the contnroller are either shorted or open,
resulting in no valid thermistor output.
4. One fan has failed.
5. Both fans have failed.
Rectifier Alarm” Rectifier failure
HH Alarm” DISABLED
Minor MPCA Minor Failure: See “Table 10”.
Major MPCA Major Failure: See “Table 10”.
Critical MPCA Critical Failure: See “Table 10”.