FAQ O-HT-1B

It is fully compatible with standard 3/4" GHT threaded faucets and works straight out of the box. Equipped with a built-in thickened silicone gasket and non-slip knurled knob, no adapters or tools are needed.

This timer supports independent control of 3 irrigation zones. Note that the three zones cannot water at the same time. If you set the identical start time for all zones, Zone 1 will run first, followed by Zone 2, and Zone 3 last after Zone 2 finishes.

1. Turn the timer knob to the ON position if it is not already there.

2. Check the battery level; install new batteries when the low-battery icon flashes.

3. The rain delay function is still enabled. Turn the knob to OFF and then back to ON to disable it.

4. If you are setting the program for the first time, check each setting item one by one to confirm correct configuration.

5. The solenoid valve is stuck. Reset it: mount the timer onto the faucet and fully open the water tap, then manually turn the timer on and off (hold each state for more than 5 seconds). Repeat the operation at least 5 times until the water flows smoothly.

1. If manual watering is activated, exit this mode: turn the knob to OFF and then back to ON.

2. Reset the solenoid valve: install the timer on the faucet and fully open the tap, manually toggle the timer on and off (keep each state for more than 5 seconds). Repeat this operation at least 5 times until the water flow returns to normal.

1. Check if the filter washer is clean and undamaged.

2. Confirm the faucet and hose have 3/4" threads, then securely fasten all connections without tilting them.

3. Do not use excessive water pressure; the working pressure range is 8–120 PSI (0.5–8.0 Bar).

1. Water mist may condense inside the screen due to temperature difference between inside and outside. The mist will evaporate automatically as the temperature rises, or you can leave the device idle for a while to let it disappear naturally.

2. Replace with new batteries if the batteries are dead or improperly installed. Keep your hands dry while installing batteries.

3. Contact customer service for a replacement if the LCD screen is cracked or faulty.