ZyXEL Communications AAM1212-51, User Manual

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AAM1212-51/53 Series User’s Guide
Chapter 55 Troubleshooting 413
C
H A P T E R
55
Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description,
some steps are provided to help you to diagnose and solve the problem.
55.1 The SYS LED Does Not Turn On
The SYS LED does not turn on.
55.2 The ALM LED Is On
The ALM (alarm) LED lights when the AAM1212 is overheated or the voltage readings are
outside the tolerance levels.
Table 99 SYS LED Troubleshooting
STEP CORRECTIVE ACTION
1 Make sure the AAM1212 is securely connected to the IES-1000.
2 Make sure the IES-1000 is properly connected to the power supply and the power supply
is operating normally. Make sure you are using the correct power source. (See the IES-
1000 User’s Guide.)
3 The LED itself or the unit may be faulty; contact your vendor.
Table 100 ALM LED Troubleshooting
STEP CORRECTIVE ACTION
1 Use the statistics monitor command to verify the cause of the alarm. See step 2 if the unit
is overheated and step 3 if the voltages are out of the allowed ranges.
2 Ensure that the AAM1212 is installed in a well-ventilated area. Keep the bottom, top and
all sides clear of obstructions and away from the exhaust of other equipment.
3 If the voltage levels are outside the allowed range, take a screen shot of the statistics
monitor command display and contact your vendor.