Fault Code Display - Stiebel Eltron DHE 18/21/24 Utilisation Et Installation

INSTALLATIoN
Troubleshooting

15.1 Fault code display

If there is an appliance fault, the spanner flashes on the display.
f To call up the fault code display, press the "i" button for more f
than 5 seconds.
Diagnostic traffic Display shown
lights (draw-off
mode)
Green flashing, yellow Spanner flashes (fault code
off, red on display E1 and spanner)
Green flashing, yellow Spanner flashes (fault code
off, red on display E2 and spanner)
Green flashing, yellow Spanner flashes (fault code
off, red on display E3 and spanner)
96 | DHE
fault Cause
No DHW Safety switch not activated during
"Commissioning"
Safety switch was triggered by high
limit safety cut-out
Safety switch responds again after high
limit safety cut-out has been checked;
high limit safety cut-out faulty
Safety switch responds again; PCB
faulty
No DHW PCB faulty (lead break or short circuit
in inlet sensor)
No DHW Short circuit in outlet sensor
Remedy
Activate the safety switch by firmly
pressing the reset button
Check high limit safety cut-out (plug-in
connection, connecting cable); activate
safety switch
Replace high limit safety cut-out; ac-
tivate safety switch and draw-off with
maximum set value >1 min
Replace the function module
Replace the function module
Check outlet sensor; replace if neces-
sary
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