18
19
WARNING: Corrections to problems 8, 9 and 10 should only be performed by
qualified electrician. The person who initially installed the unit is the best one to
contact for help, or contact Marey for service.
1. Inlet and outlet
fittings leaking
A. Fittings not tight
B. Rubber washer worn-out
A. Tighten fittings.
B. Change rubber washer.
A. Power not connected.
B. LCD damaged.
C. LCD not connected to PCB.
A. Connect power to the unit.
B. Change LCD.
C. Connect LCD to the PCB Board.
3. Functional keys not
working
A. No water out from shower.
B. Water pressure too low.
C. Key or PCB damaged.
A. Open valve to get water.
B. Open valve to get pressure.
C. Change key or PCB.
A. Too high temperature set.
B. Water flow too small.
A. Set a lower temperature.
B. Open valve bigger.
A. Low temperature set.
B. Water flow too much.
A. Set a higher temperature.
B. Reduce water flow.
6. Outlet gets water
smaller and smaller.
Inlet strainer or shower clogged.
Clean strainer and shower.
Outlet temperature is over
82º/127ºF.
A. Reduce the temperature.
B. Turn up the water flow.
There is electricity leakage.
Please contact with the local dealer.
Temperature sensor failure.
Please contact with your local dealer.
Shut off. Clean all outlets from any
debris, dirt, any particle or scale inside
the pipe.
11. Pressure relief
valve releases water
A. Outlet blocked.
B. Inlet pressure over 0.7Mpa.
A. Clean shower set.
B. Reduce water pressure.
Inlet water flow is too big.
Reduce the inlet water flow.
NORMAL MAINTENANCE
Note: Do not attempt to repair this water heater yourself. Call a service person for
assistance. Always turn off the breaker before working on the unit.
To ensure consistent water flow, the following is recommended:
1. Periodically remove build-up and dirt that may accumulate at the aerator of the
faucet or in the shower head.
2. Periodically clean the built-in filter screen at the inlet connection on the water
heater. Water faucet must be turned off before cleaning the screen.
To Next Page
Loading...
