Lenovo ThinkSystem D2 Manual page 21

– If DC LED is not lit, remove and reinstall power supply.
– If error LED is lit, replace the power supply.
2. If fault recurs, please call service.
• 086F0188: PS1_12V_OV_ERR: Power Supply, Power Supply Failure detected was asserted.
The 12V output voltage reaches overvoltage lockout limit
Severity: Critical
User Action:
1. Check power supply LEDs
– If AC LED is not lit, check power cord and input voltage.
– If DC LED is not lit, remove and reinstall power supply.
– If error LED is lit, replace the power supply.
2. If fault recurs, please call service.
• 086F0189: PS2_12V_OV_ERR: Power Supply, Power Supply Failure detected was asserted.
The 12V output voltage reaches overvoltage lockout limit
Severity: Critical
User Action:
1. Check power supply LEDs
– If AC LED is not lit, check power cord and input voltage.
– If DC LED is not lit, remove and reinstall power supply.
– If error LED is lit, replace the power supply.
2. If fault recurs, please call service.
• 086F018A: PS1_12V_UV_ERR: Power Supply, Power Supply Failure detected was asserted.
The 12V output voltage drops to the Turn-Off voltage
Severity: Critical
User Action:
1. Check power supply LEDs
– If AC LED is not lit, check power cord and input voltage.
– If DC LED is not lit, remove and reinstall power supply.
– If error LED is lit, replace the power supply.
2. If fault recurs, please call service.
• 086F018B: PS2_12V_UV_ERR: Power Supply, Power Supply Failure detected was asserted.
The 12V output voltage drops to the Turn-Off voltage
Severity: Critical
User Action:
1. Check power supply LEDs
– If AC LED is not lit, check power cord and input voltage.
– If DC LED is not lit, remove and reinstall power supply.
– If error LED is lit, replace the power supply.
2. If fault recurs, please call service.
• 086F018C: PS1_VIN_OC_ERR: Power Supply, Power Supply Failure detected was asserted.
The input current experiences a current load greater than the current limit
Severity: Critical
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Chapter 2 SMM2 events