Instructions for SL500DC/SL800DC
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4. Motor works abnormal due to control board error: the buzzer sounds
strident but long lasting.
A. Operation Instruction:
1. Press and hold “PROG” button for 3 sec. to enter into basic menu. Indicator light L0
will flicker once, then L1 will be steady on.
2. Press “PROG” button again for 3 sec. to enter into advanced menu. L0 will flicker
twice, then L1 will be steady on.
3. Press “PROG” button for 3 sec. for the third time to enter into other menu setting. L0
will flicker three times, then L1 will be steady on.
4. Press “+” button twice to select buzzer setting option. Indicator light L2 will be steady
on.
5. Press “SET” button once to enter into buzzer setting. Indicator light L1 on or off will
indicate the current setting value. (Default is L1 off)
6. Press “+” or “-” button to enable or disable the buzzer. Indicator light L1 off: enable;
on: disable.
7. Press “SET” button once to save and system will automatically exit. The indicator
lights L1-L5 will be on in sequence, then all will flicker once and off.
B. Operation Graphic Illustration