Manual:Wireless card diagnostics: Difference between revisions

Revision as of 12:10, 29 April 2010

To test if your R52 or R52H card is malfunctioning due to lightning/storm electrostatic damage, use a multimeter:

Damaged card:

Normal card:

Testing area close-up:

Also make sure that your antenna is DC shorted:

DC shorted antenna. This antenna doesn't need a Coax lightning arrestor:

NOT DC shorted antenna. This antenna needs a Coax lightning arrestor to avoid sudden wireless card damage. Note the OL (Overload) in the multimeter:

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-== General information ==
-If your wireless is '''not''' detected in RouterOS, but is correctly installed into the miniPCI slot, consider one of the following possibilities:
-* Internal chip communication problems due to PCB metallization or packaging. ''Card is cold''. Manufacturer provides warranty repair.
-* EEPROM problems due to programming of card. ''Card is cold''. Manufacturer provides warranty repair.
-It's also possible that the problem is not covered by warranty:
-* AR5414 or AR9220 chip is damaged and ''card is very hot''. In this case, card is out of warranty
-* Physical damage, rust, or PCB trace damage. ''Card is cold''. Card is out of warranty.
 == R52 and R52H ESD damage ==