4
Alarm and Reminder
State
Alarm
Action
Fast beep, red light flashes
synchronously
(On 0.1s, Off 0.1s)
Pump is not
inserted or faulty
1. Check the refill pump connection.
2. If the problem is not solved, replace
a refill pump.
Medium-fast beep, red light
flashes synchronously (On
0.5s, Off 0.5s)
Overflow alarm
1. Check if the S3 sensor is installed
correctly.
2. Clean the probe of S3 sensor and
put it in the water. If refilling water is
constantly on, the S1 sensor is
damaged.
Medium beep, red light
flashes synchronously
(On 1s, Off 1 s)
Time-out alarm
1. Check the optical sensor has stains
or foreign objects.
2. Power off and restart
