Troubleshooting a Fan
65
◆
Ambient temperature is too high. For the appliance’s operating temperature
requirements, refer to the
Mirapoint 7-Series Getting Started Guide
.
◆
External airflow is obstructed.
◆
Cables inside the appliance obstruct airflow.
◆
An individual cooling fan is removed or has failed (
).
Troubleshooting a Fan
c
Only trained service technicians are authorized to remove the appliance cover and
access any of the components inside the appliance. Before you begin this procedure,
review the safety instructions that came with the appliance.
To troubleshoot a fan:
1.
Open the appliance (
The cooling fans are hot-swappable. To maintain proper cooling while the
appliance is on, only replace one fan at a time.
2.
Locate the faulty fan indicated by the diagnostic software.
3.
Reseat the fan (
b
Wait at least 30 seconds for the appliance to recognize the fan and determine
whether it is working properly.
4.
If the problem is not resolved, install a new fan.
If the replacement fan does not operate, see
Troubleshooting System Memory
c
Only trained service technicians are authorized to remove the appliance cover and
access any of the components inside the appliance. Before you begin this procedure,
review the safety instructions that came with the appliance.
c
Invalid memory configurations can cause your appliance to halt at startup without
video output.
To troubleshoot system memory:
1.
If the appliance is operational, run the appropriate online diagnostic test.
If diagnostics indicates a fault, follow the corrective actions provided by the
diagnostic program.
Summary of Contents for 7700 Series
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