2.3 Troubleshooting Without Error Messages
VJ628XE-M-00
2.3.4 Noise Problems
51
2.3.4
Noise Problems
Table 2-9 Symptoms, Check Items, and Actions for Noise Problems
No.
Symptom
Check item
Action
Reference
1
Abnormal noise is heard
when media is sucked
1. Are there any contact substances or foreign substances
around the rotating fin of Suction FAN?
Check the damage of the cable and connection
of the connector.
2. Check the damage of the cable and connection of the
connector.
If damaged, replace the part.
-
3. Suction FAN itself may be faulty.
Replace Suction FAN.
-
4. MAIN board may be damaged.
Replace MAIN board.
5. Power board may be damaged.
Replace Power board.
2
Abnormal noise is heard
during waiting time
1. Are there any contact substances or foreign substances
at the area where noise is coming from?
Remove any
contact substances or foreign
substances
.
-
2. Is the noise coming from Board ?
• If it is microvibration noise (which sounds
like tinnitus) during standby, tell the user
that it is the specification.
• If the above does not apply, replace the
following part(s):
• Power board
• MAIN board
• CR board
• Head
"3.5.1Replacing Power Board
"3.5.10Replacing MAIN Board
"3.8.4Replacing CR Board
3.8.15 Replacing Head