Tool-Temp TT-390 - Page 30

Manual of instructions TT-390 30/35
The required temperature
will not be reached,
heating lamp on the
controller lights
• Solenoid valve of the
water cooling system
not closed or defective
• Maybe to big consumer
• Heating defective
• Contactor of heating
defective
• Clean the solenoid valve,
check signal to valve and
function, repair or replace it
• Contact the supplier
• Measure resistance of
heating
• Replace contactor
Lamp „cooling“ lights, unit
is not cooling
• Cooling water inlet or
outlet is closed
• Filter is dirty
• Solenoid valve
defective
• Check water supply
check counter pressure on
cooling water outlet
• Clean filter
• Check solenoid valve