Troubleshooting; Display Options Led Diagnostic "Traffic Lights; Fault Table - STIEBEL ELTRON DHB-E 13 SLI electronic Bedienung Und Installation

installation

trouBleshooting

12. Troubleshooting
Danger of electrocution
To test the appliance, it must be supplied with
power.
12.1

Display options leD diagnostic "traffic lights"

display options
red
yellow
green
12.2

Fault table

fault / led diagnostic "traffic light" display* cause
The appliance does not start.
Inadequate flow rate.
Set temperature is not achieved.
Heating does not switch on.
No hot water and no "traffic light" display.
No hot water at flow rate of > 3 l/min.
Green flashing or constantly on
No hot water at flow rate of > 3 l/min. "Traffic
light" display:
Yellow constantly on; green flashing
No hot water
"Traffic light" display:
Red constantly on; green flashing
34 |dhB-e ... sil electronic
illuminates in case of faults
illuminates when the appliance is heat-
ing water
flashing: The appliance is supplied with
power
The shower head / perlators are scaled up.
The sieve in the appliance is dirty.
One phase down.
The air sensor detects the presence of air in the water
and briefly switches the heater off.
The MCB/fuse has responded/blown.
Safety pressure limiter AP 3 has tripped.
The PCB is faulty.
The PCB is faulty.
DFE flow sensor is not plugged in.
DFE flow sensor is faulty.
The high limit safety cut-out has tripped or its lead
is broken.
The heating system is faulty.
The PCB is faulty.
The cold water inlet temperature exceeds 35 °C.
The cold water sensor is faulty.
remedy
»
Descale or if necessary replace the shower head /
perlators.
»
Clean the sieve.
»
Check the MCB/fuse in your fuse box.
The appliance restarts after one minute.
»
Check the MCB/fuse in your fuse box.
»
Remove the cause of the fault (e.g. faulty pressure
washer).
»
Protect the system against overheating by opening
a draw-off valve downstream of the appliance for 1
minute. This depressurises and cools down the heat-
ing system.
»
Activate the safety pressure limiter by pressing the
pushbutton on the safety pressure limiter (see also
chapter "Commissioning").
»
Check the PCB and replace if necessary.
»
Check the PCB and replace if necessary.
»
Push the flow sensor plug back on.
»
Check the flow sensor and replace if necessary.
»
Check the high limit safety cut-out and replace if
necessary.
»
Measure the resistance of the heating system and
replace if necessary.
»
Check the PCB and replace if necessary.
»
Reduce the cold water inlet temperature to the
appliance.
»
Check the PCB and replace if necessary.
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