8001 Harman external amplifier: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING (8001 HARMAN EXTERNAL AMPLIFIER)
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Checking battery |
|
Step 2 | Charge or replace battery. -> End |
| 2 | Checking fuse |
|
Step 3 | Replace fuse. -> End |
| 3 | Checking input voltage at pin 30 |
|
Battery voltage Step 4 |
Corrosion in the plug connection or contact resistance in the supply lead. Check and repair wiring harness. -> End |
| 4 | Checking ground points |
|
< 0.5 ->End |
Check ground points or repair wiring harness. -> End |