Problem Solving Using the LEDs
5–6 Problem Solving
Problem Solving Using the LEDs
When diagnosing a problem with the module, note that the problem is
often indicated by the states of the module LEDs.
Table 5-3 lists the states of the LED for various error conditions and
suggests corrective actions.
Table 5–3: Problem Solving Using the LEDs
Symptom
Icon
Probable Cause
Corrective Action
All LEDs are
off.
The module does
not have power.
If installing the module into a
DEChub 900, check the power
status on the Hub Manager
status display.
If enough power is available, lift
the release lever, and reseat the
module.
If installing the module into a
DEChub ONE, ensure that the
locking L-bracket screw is locked
securely.
Remove the module and inspect
the module's 48-pin and 160-pin
connectors for bent, broken, or
dirty pins.
If any pins are broken or bent,
replace the module.
All LEDs are
off.
The module does
not have power.
If no pins are broken or bent,
reinstall the module.
If the problem persists, replace
the module.
Power LED
is off.
Faulty power
LED.
Replace the module.
(continued on next page)
