Tool-Temp TT-188 - Page 32

Manual of instructions TT-188 32/37
Left yellow lamp „level
control“ lights, unit works
• Not enough heat
transfer medium in the
circuit
• Level switch defective
• Automatic filling
defective or not
connected
• Cool the unit below 60°C
• Search leakage and repair it
Right (and left) yellow
lamp „level control“ lights,
unit switches off
• Not enough heat
transfer medium in the
circuit
• Level switch defective
• Cool the unit below 60°C
• Search leakage and repair it
• Replace defective parts
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