6 Common Faults and Troubleshooting
6.1 Not work after startup (no display on the LED screen)
The power terminal is not wired and the wiring is improperly connected or disconnected, and the power supply is
not connected.
6.2 The relay does not delay after power-on
Check the reset (zero clear) terminal is short circuited.
6.3 The relay is not converted when the delay time expires
Check whether the relay is wired improperly, whether the power voltage is too low, whether the relay contact has
poor contact, and whether the relay is damage.
6.4 Product burnt
Check whether the power supply exceeds the rated power supply voltage of the product and whether the power
cord is connected wrongly.
6.5 Troubleshooting:
In case of failure of product, first cut off the power, and then find the cause of the failure; operate the product
according to the Installation and Operation Instructions after checking that the line works normally.
If the product has the poor quality problem, please contact the local dealer or our company.
7. Transport and Storage
The product shall be free from the rain or snow erosion or squeezing during storage and transportation, and shall
be stored in well ventilated places where the relative humidity (25℃±5℃) does not exceed 90%, the lower limit
of the temperature is -25℃, and the upper limit of the temperature is +55℃.
8. Unpacking and Inspection
Open the outer carton and check that there is the Operation Instruction in the packing box.
9. Ordering Notice
Please specify the model and specification of the product when ordering. For Any special requirement. please
contact the manufacturer.
10. Company Commitment
Under the condition that users follow the use and storage conditions and the product are well sealed. within 24
months from the production date. our company will provide repair and replacement service free of charge for any
damage or abnormal operation due to poor manufacture quality. A paid repair will be provided if the warranty
period expires. For any damage due to one of the following situations. a paid repair will be given even if within
the warranty period:
