| SYMPTOMS |
POSSIBLE REASON |
CORRECTIVE ACTION |
| Leaking |
Flapper chain is too tight |
Adjust flapper chain for proper slack |
| Flapper chains jammed |
Clean obstruction |
| Lever of solenoid valve cannot put back down after used |
Clean obstruction |
| Not flush |
Loosen of flapper chain |
Reconnect flapper chain and secure |
| Solenoid valve do not work after used |
Connect the connector form solenoid valve to main control unit |
| Poor flush |
Flapper chain too slack |
Adjust flapper chain to remove excessive slack |
| Flush time is set too short |
Adjust flush time |
| Active indictor (red light) does not off |
Dust on glass |
Clean glass with soft cloth |
| Sensor blocked |
Remove block object or reclocate sensor |
| Sensor range too long |
Adjust detecting range |
| Active indictor (red light) does not on |
No battery power |
Replace battery or plug in Adapter |
| Flush unsuitably when not in use |
Sensor blocked |
Clean obstruction or reloacte sensor unit |
