4. Troubleshooting
4-18
Error type
Error mode
Checking Method
Corrective actions
LED or Input Key
Fail
None
1. Check the connections for the Sub PBA connector
- Reconnect the Sub PBA connectors.
2. Check the LED and Input Key
1) Push ‘Normal’ + ‘Heavy’ + ‘Power Key’
2) Push ‘Normal’ Key 4 times
3) Push all key.
Normal : All LED is light.
¯
- Faulty : Replace the Sub PBA.
3. Check the DC voltage of the Main PBA.
- See “Main PBA DC voltage error”.
Содержание DMT400 series
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