| Symptom
| A main cause
| Coping
|
| 1 | The neon lamp isn't turned on.
(AC100V)
|
An AC outlet is missing.
An AC fuse is cut off.
Neon lamp defect.
|
An AC outlet is put.
A fuse is replaced.
A neon lamp is replaced.
|
| 2 | LED of DC24V doesn't stick.
| Power supply trouble.
A DC fuse is cut off.
| A power supply is replaced.
A fuse is replaced.
|
| 3 | Only a part of the broadcasting system can't be used.
| Circuit switch off or defect.
TB-2 trouble.
Child opportunity speaker trouble.
| Or it is exchanged (circuit switch on).
TB-2 is exchanged.
A child opportunity speaker is replaced.
|
| 4 | The whole circuit can't be broadcast.
| General switch off or defect.
TB-MA trouble.
| A general switch
Better ‚ exchanges on.
TB-MA is exchanged.
|