Stiebel Eltron DHE Connect 18 Utilisation Et Installation page 100

INSTALLATION
Troubleshooting
Diagnostic traffic Fault
light
No LED illuminates. The appliance does not heat
up.
Green flashes, yellow No DHW
off, red off
Green flashes, yellow The display is completely off. Loose set value transducer between PCB and display. Check the set value transducer cable and plug the
on, red off
Green flashes, yellow No hot water, the outlet tem-
on, red off perature does not match the
setpoint.
Green flashes, yellow No hot water, the outlet tem-
off, red on perature does not match the
setpoint.
The mini wireless remote
control LED illuminates but
appliance does not respond.
100 |DHE Connect | DHE Touch
Cause
There is no mains voltage.
The PCB is faulty.
The shower head / aerator are scaled up.
The strainer in the cold water inlet is dirty.
The flow meter is not plugged in.
The flow meter is faulty.
The PCB is faulty.
The programming unit connecting cable is faulty.
The programming unit PCB is faulty.
The downstream tap is faulty.
Internal anti-scalding protection is activated.
The heating system is faulty.
The outlet detector is faulty.
The PCB is faulty.
The high limit safety cut-out is not connected.
The high limit safety cut-out has tripped.
The high limit safety cut-out is faulty.
The mini wireless remote control is not registered.
Remedy
Check the fuse/MCB in your fuse box/distribution
board.
Replace the test assembly.
Descale or replace the shower head / aerator if nec-
essary.
Clean the strainer.
Reconnect the connecting cable on the PCB.
Replace the flow meter.
Replace the test assembly.
cable into the programming unit and/or PCB.
Check the connecting cable and replace if required.
Check the programming unit and replace if required.
Replace the faulty tap.
Deactivate the internal anti-scalding protection.
Replace the test assembly.
Replace the outlet sensor.
Replace the test assembly.
Reconnect the connecting cable on the PCB.
Remedy the cause and activate the safety switch.
Replace the high limit safety cut-out.
Register the mini wireless remote control; see "In-
stallation options / Registering / Deregistering mini
wireless remote control".
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