YUDO Hot Runner Temperature Controller TW600

Check appearance and wiring condition before power supply

Is the wiring condition and appearance satisfactory before power supply?

Post-Maintenance Wiring and Installation Check

Check the whole length of wiring condition and installation state

Is the power board unit connected at the specified location on the farthest right?

Is the input power well-wired and bolt-state for fixing unit satisfactory?

Is the timer unit fixed completely on the timer body?

Ensure all electricity supply is cut off before starting maintenance

Confirm no high voltage or residual electricity remains on the connector

Check if the power unit is operating well

Describe any issues found with the power unit

Check capacity of connected solenoid valve

Is the solenoid valve used within its rating?

Disassemble the power of the timer completely

Wait until residual electric is exhausted in condenser of power unit

Check whether the power board is damaged

Is the power board functioning when power is supplied?

Check the yellow LED for output voltage display