Title: 315.022 OSO-NANO-N-MANUAL-NO-SE-FI-EN-146007-05.pdf
Leak from heating element.Power supply interrupted.Verify as follows: a) cut the electric sup- ply, b) unscrew the cover, c) visually check whether there is a leak from the heating element. If so, replace the gasket/heating element. Contact auth. installer. Verify that the fuse is on / the plug is plugged in to the wall contact / the earth breaker has not tripped.No hot waterThermostat has cut out.Heating element is defective.Press the ‘RESET’ button on the safety ther- mostat; see ‘User guide’.Replace heating element. Contact auth. installer.Leak in hot water pipeCheck the hot water pipes and taps in the house for leaks. If a leak is detected: Con- tact auth. installer.Raise the temperature on the thermostat to the maximum; see ‘User guide’.Not enough hot waterHigh consumption in the home.Switch to a larger OSO water heater. Con- tact auth. installer.Not high enough tem- peratureThe thermostat is set for low tempera- tures.Change from cold to hot water in taps.