ZyXEL Communications MSAP2000 Troubleshooting, SYS or PWR LED Does Not Turn On, ALM LED Is On

MSAP2000 AAMS User’s Guide

CHAPTER 32

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.

32.1 The SYS or PWR LED Does Not Turn On

Table 68 SYS LED Troubleshooting

STEPS CORRECTIVE ACTION

1Make sure the power wires are properly connected to the power supply and the power supply is operating normally. Make sure you are using the correct power source (refer to the appendices).

2Make sure the power wires are connected properly.

3The LED itself or the unit may be faulty; contact your vendor.

32.2The ALM LED Is On

The ALM (alarm) LED lights when the MSAP2000 AAMS is overheated or the voltage readings are outside the tolerance levels.

Table 69 ALM LED Troubleshooting

STEPS CORRECTIVE ACTION

1Use 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.

2Ensure that the MSAP2000 AAMS is installed in a well-ventilated area and that normal operation of the fans is not inhibited. Keep the bottom, top and all sides clear of obstructions and away from the exhaust of other equipment.

3If the voltage levels are outside the allowed range, take a screen shot of the statistics monitor command display and contact your vendor.

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