Maintenance And Troubleshooting; Built-In Power Module Failure; Symptom; Solution - H3C S6520X-SI Series Installation Manual

Maintenance and troubleshooting

Built-in power module failure

The S6520X-10XT-SI and S6520X-16XT-SI switches use a built-in power module and support only
AC power input.

Symptom

The system status LED (SYS) of the switch is off.

Solution

To resolve the issue:
Verify that the AC power cord is connected to the switch correctly, and the AC-input power
1.
receptacle on the switch and the AC power outlet are in good condition.
Verify that the AC power source is operating correctly.
2.
Verify that the operating temperature of the switch is in the acceptable range, and the power
3.
module has good ventilation. Over-temperature can cause the power module to stop working
and enter self-protection mode.
If the issue persists, contact H3C Support.
4.

Removable power module failure

The S6520X-SI switches (except the S6520X-10XT-SI and S6520X-16XT-SI) use removable power
modules.
To identify the operating status of a power module on an S6520X-16ST-SI, S6520X-24ST-SI,
S6520X-18C-SI, S6520X-26C-SI, or S6520X-26MC-SI switch, observe the PWR1 or PWR2 LED on
the front panel. For more information about the PWR1 and PWR2 LEDs, see
To identify the operating status of a power module on an S6520X-26MC-UPWR-SI,
S6520X-26XC-UPWR-SI, or S6520X-54XC-UPWR-SI switch, observe the PWR1 or PWR2 LED on
the front panel and the LED on the power module. For more information about the PWR1 and PWR2
LEDs, see
PSR360-56A Power Module User Manual, H3C PSR560-56D Power Module User Manual, H3C
PSR720-56A Power Module User Manual, and H3C PSR1110-56A Power Module User Manual.
Symptom
The PWR LED for a power module is not steady green.
Solution
To resolve the issue:
Verify that the power cord is correctly connected.
1.
Verify that the power source meets the requirement.
2.
Verify that the operating temperature of the switch is in an acceptable range and the power
3.
module has good ventilation.
Table 36. For more information about the LED on the power module, see H3C
44
Table 36.