Hurco VM Series Maintenance And Safety Manual page 81

• Operation Lamps—lights indicate operation:
• Liquid—indicates liquid temperature is being displayed in PV°C
Temperature Display.
• Basic—indicates ambient air temperature is being displayed in PV°C
Temperature Display.
• Pump—indicates the pump is operating.
• Cool—indicates the cooling process is operating.
• Warm—indicates the heater is operating.
• Temperature Setting Buttons—sets the SV°C temperature setting up or
down.
Press the up or down button for at least 0.5 seconds to change the
value.
• Liquid/Basic Temperature Display Switch—changes the PV°C display
from the liquid temperature to the ambient air temperature when pressed.
The default display is the liquid temperature.
• Alarm Message Indicator—indicates errors if they occur by illuminating the
appropriate light and showing a message in the Temperature Display screens.
If an error occurs, the spindle chiller operation stops. Refer to the label on the
front of the spindle chiller for more information about alarm messages.
When no lights are illuminated, the spindle chiller is operating properly.
• Pressure—lights when a pressure fault within the refrigeration system
occurs.
• Pump—lights when a fault within the pump trips the overload protector.
• Comp.—lights when a fault within the compressor trips the overload
protector.
• O.P./Flow—lights when a liquid pressure fault occurs or when there is an
insufficient amount of liquid within the liquid circulating system.
• Rev.—lights when the power phase input is reversed.
Setting the SV°C Temperature
To set the SV°C temperature, press the Up or Down arrows on the spindle chiller control
panel for at least 0.5 seconds for each press. Hurco recommends keeping the SV°C set at
-2° C for Differential Temperature control.
VM Series Maintenance and Safety Manual
704-0212-209 Machine Maintenance 3- 21