10
AC ELWA fault display
No display:
Check power supply.
Check the circuit breaker
check if parallel consumers are connected next to the AC ELWA in the same circuit.
Red LED:
1x flash
X
Over temperature protection (98 ° C) triggered. Device must be checked by Service.
2x flashes
X
Water temperature is above 90 ° C. Device switches off and switches on again once the
water temperature has dropped.
Note: The temperature in this case is very close to the operating limit of the over
temperature protection (98 ° C). If the water was heated so high by an external heat
source, set the limit temperature of the heat source to max. 90 ° C!
3x flashes
X
Overheating of the electronics. Device switches off and restarts automatically after
cooling down.
4x flashes
X
Electronic fault. Device must be checked by Service.
6x flashes
X
Temperature sensor fault. Device must be checked by Service.
PLA fault displays
No display:
Check power supply. All 3 phases have failed.
Red LED:
1x flash
X
One or more of the connected AC ELWAs have a fault.
Maintenance
“H
ard
”
water can cause calcification of the heater, especially when the target temperatures are set to above
60 ° C. We recommend an annual maintenance. In this case remove the device from the tank and free the
heater from limestone. Do not scratch the surface of the heating element (corrosion).
If the mains cable of the unit is damaged, it has to be replaced by the manufacturer or its service agents or a
similarly qualified person in order to avoid hazards.
Troubleshooting
The device contains no parts which could be serviced by the user. In case of malfunction please contact your
dealer.
Disposal
Either keep packing material or dispose properly.
Dispose of the product at the end of its service life in accordance with the applicable regulations.
