Shini STM-W, Operation Instruction Manual, Page: 105 / 122

4.1 Control Panel
Application and Operation
4. Application and Operation
1
2
3
4
5
6 7 8
No. Name Functions Remarks
1
Power supply
indicator Connect the machine with power
supply and turn on main switch. This
indicator turns green. Note! Do not remove any electrical
parts or terminals after the power is
on.
2
Phase reversal
alarm When phase reversal or phase
shortage occurs, it becomes red.
The buzzer sounds, and system stop
working. Turn off the machine. Exchange the
place of two of the electrical wires of
main power supply.
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
When there is circulating water
shortage, the alarm light will become
red. The buzzer sounds and system
stops working. Low level alarm Ensure smooth water supply.
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.