Shini STM-PW series, User Manual

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6-2
6. Operation Guide
No. Name Functions Remarks
3
Motor overload
alarm
When motor current exceeds the limits,
the buzzer sounds. Motor overload
alarm is red and system stops working.
Check that if motor shaft is blocked or
the bearing is broken or setting current
of overload relay is too low. After the
problems solved, wait for one minute
and then press the blue RESET button
to reset the overload relay and clear
the alarm.
4
Overheat alarm
When oil temperature is higher than
EGO(temperature sensor) setting
value, this indicator becomes red. The
buzzer sounds and system stops
working.
EGO setting value should be higher
than temperature settings of
temperature controller. Check if there
are problems of temperature
detecting probe.
5
Low level alarm
When there is circulating water
shortage, the alarm light will become
red. The buzzer sounds and system
stops working.
6
Temp. controller Temperature setting and control.
7
Pump switch Turn on and off the pump.
Note: motor rotating direction should
be correct.
8
Heater switch Turn on and off the heater.
Heater switch is applicable only after
pump is turned on.
Ensure smooth water supply.