Step 1 Check the main fan area for obstructions. Is the fan area free from obstructions? | Go to step 3. | Go to step 2. |
Step 2 Remove the obstructions. Does the problem remain? | Go to step 3. | The problem is solved. |
Step 3 Check the cable on the JFAN2 connector on the controller board for proper connection. Is the cable properly connected? | Go to step 5. | Go to step 4. |
Step 4 Reconnect the cable. Does the problem remain? | Go to step 5. | The problem is solved. |
Step 5 Replace the main fan. See Main fan removal. Does the problem remain? | Go to step 6. | The problem is solved. |
Step 6 Replace the controller board. See Controller board removal. Does the problem remain? | Contact the next level of support. | The problem is solved. |