HP EliteOne 1000 Maintenance and Service Guide - Page 102

Chassis, Rear Chassis, or Front Chassis Fan, Computer Cover Has Been Removed Since

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Control panel message Description Recommended action 3. Ensure that none of the keys are depressed. 4. Replace keyboard. 801-Keyboard or System Unit Error Keyboard failure. 1. Reconnect the keyboard with computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. 900-CPU Fan Not Detected CPU fan is not connected or may have malfunctioned. 1. Reseat CPU fan. 2. Reseat fan cable. 3. Replace CPU fan. 901-Chassis, Rear Chassis, or Front Chassis Fan Chassis, rear chassis, or front chassis fan is not 1. Reseat chassis, rear chassis, or front not Detected connected or may have malfunctioned. chassis fan. 2. Reseat fan cable. 3. Replace chassis, rear chassis, or front chassis fan. 903-Computer Cover Has Been Removed Since N/A Last System Startup 904-SATA Cabling Error One or more SATA devices are improperly attached. For optimal performance, the SATA 0 and SATA 1 ports should be used for hard drives before other ports. Ensure SATA connectors are used in ascending order. For one device, use SATA 0. For two devices, use SATA 0 and SATA 1. For three devices, use SATA 0, SATA 1, and SATA 2. 90B-Fan Failure The system has detected that a cooling fan is not operating correctly. 1. Reseat fan. 2. Reseat fan cable. 3. Replace fan. 90D-System Temperature Thermal shutdown occurred. The system BIOS has detected your machine was previously shut down to avoid overheating. Overheating may occur if the cooling vents are blocked or the operating temperature exceeds the system specifications. The machine should return to normal operation once the situation is resolved. Make sure system has proper airflow. 90E-Power Supply Fan Not detected Power supply fan is not connected or may have 1. Reseat power supply fan. malfunctioned. 2. Reseat fan cable. 3. Replace power supply fan. 94 Chapter 9 POST error messages and diagnostic front panel LEDs and audible codes

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Control panel message
Description
Recommended action
3.
Ensure that none of the keys are
depressed.
4.
Replace keyboard.
801-Keyboard or System Unit Error
Keyboard failure.
1.
Reconnect the keyboard with computer
turned
off.
2.
Ensure that none of the keys are
depressed.
3.
Replace the keyboard.
4.
Replace the system board.
900-CPU Fan Not Detected
CPU fan is not connected or may have
malfunctioned.
1.
Reseat CPU fan.
2.
Reseat fan cable.
3.
Replace CPU fan.
901-Chassis, Rear Chassis, or Front Chassis Fan
not Detected
Chassis, rear chassis, or front chassis fan is not
connected or may have malfunctioned.
1.
Reseat chassis, rear chassis, or front
chassis fan.
2.
Reseat fan cable.
3.
Replace chassis, rear chassis, or front
chassis fan.
903-Computer Cover Has Been Removed Since
Last System Startup
N/A
904-SATA Cabling Error
One or more SATA devices are improperly
attached. For optimal performance, the SATA 0
and SATA 1 ports should be used for hard drives
before other ports.
Ensure SATA connectors are used in ascending
order. For one device, use SATA 0. For two
devices, use SATA 0 and SATA 1. For three
devices, use SATA 0, SATA 1, and SATA 2.
90B-Fan Failure
The system has detected that a cooling fan is
not operating correctly.
1.
Reseat fan.
2.
Reseat fan cable.
3.
Replace fan.
90D-System Temperature
Thermal shutdown occurred. The system BIOS
has detected your machine was previously shut
down to avoid overheating. Overheating may
occur if the cooling vents are blocked or the
operating temperature exceeds the system
specifications.
The machine should return to
normal operation once the situation is resolved.
Make sure system has proper
airflow.
90E-Power Supply Fan Not detected
Power supply fan is not connected or may have
malfunctioned.
1.
Reseat power supply fan.
2.
Reseat fan cable.
3.
Replace power supply fan.
94
Chapter 9
POST error messages and diagnostic front panel LEDs and audible codes