VEVOR JN08 - Trouble-Shooting

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Trouble-shooting
Problems
Possible Causes
Corrective Actions
1. Inlet and outlet
fittings are leaking.
A. Fittings are not tight.
B. Rubber washer is
worn-out.
A. Tighten fittings.
B. Change rubber washer.
2. LED has no signal.
A. Power is not connected.
B. LCD is damaged.
A. Connect power to the unit.
B. Change LCD.
3. Functional keys are
not working.
A. No water is out from
shower.
B. Water pressure is too low.
C. Key or PCB damaged.
A. Open valve to get water.
B. Open valve to get
pressure.
C. Change key or PCB.
4. Water is too hot.
A. Too high temperature set.
B. Water flow is too small.
A. Set a lower temperature.
B. Open valve bigger.
5. Water is too cold.
A. Low temperature set.
B. Water flow is too large.
A. Set a higher temperature.
B. Reduce water flow.
6. Outlet gets water
smaller and smaller.
Inlet strainer or shower is
clogged.
A. Clean or replace strainer
B. Clean shower.
7. LED displays E1.
Outlet temp. is over
75
o
C/167
o
F.
A, Reduce the temperature.
B, Turn up the water flow.
8. LED displays E3.
Inlet temperature sensor is
failured.
Please contact with your local
dealer.
9. LED displays E4.
Outlet temperature sensor is
failured.
Please contact with your local
dealer.
10. Display is overload.
Inlet water flow is too big.
Reduce the inlet water flow.