Troubleshooting - STIEBEL ELTRON DHB-E 13 AU Operation And Installation Manual

OPERATION

Troubleshooting

6. Troubleshooting
Fault Cause
The appliance will There is no voltage in the
not start despite the appliance.
DHW valve being
fully open.
The aerator in the tap or
the shower head is scaled
up or contaminated.
The water supply has been
interrupted.
Cold water flows The air sensor detects air
briefly while hot in the water and the ap-
water is being pliance's heating output is
drawn. briefly switched off.
Required temper- The appliance no longer
ature > 45 °C is not delivers heat. The cold
achieved. water inlet temperature is
> 45 °C.
If you cannot remedy the fault, notify your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000):
www.stiebel-eltron.com
Remedy
Check the fuses/MCBs in
your fuse box/distribution
panel.
Clean and/or descale the
aerator or shower head.
Vent the appliance and the
cold water inlet line (see
chapter "Settings / Follow-
ing an interruption to the
water supply").
The appliance restarts au-
tomatically after 1 minute.
Reduce the cold water inlet
temperature.
DHB-E ... AU
No.: 000000-0000-000000
DHB-E AU| 5