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

OPERATION

Troubleshooting

6. Troubleshooting
Problem
The appliance will not start despite the
DHW valve being fully open.
When hot water is being drawn off, cold
water flows for a short period.
The required temperature cannot be set. Internal anti-scalding protection is activated. The internal anti-scalding protection can only be adjusted by the qualified
Note
After a power failure:
Programming unit displays and selected settings are re-
tained following a power failure.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000).
6 | DHB-E LCD AU
Cause
There is no power.
The aerator in the tap or the shower head is
scaled up or soiled.
The water supply has been interrupted.
The air detector detects air in the water. It
switches off the heating output briefly.
Remedy
Check the fuses/MCBs in your fuse box/distribution board.
Clean and/or descale the aerator or shower head.
Vent the appliance and the cold water inlet line.
The appliance restarts automatically after 1 minute.
contractor.
www.stiebel-eltron.com