Troubleshooting; Diagnostic Lights - STIEBEL ELTRON DHE Connect 18/21/24 Bedienung Und Installation

INSTALLATION

Troubleshooting

16. Troubleshooting
WARNING Electrocution
To test the appliance, it must be supplied with power.
Note
The diagnostic lights are displayed when water flows.
Indicator options for diagnostic lights (LED)
Red
Yellow
Green
Diagnostic lights Fault
No LED illuminates. The appliance does not heat
up.
Green flashing, yellow No DHW
off, red off
Green flashing, 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
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Illuminates in the event of a fault
Illuminates in heating mode/flashes when output limit reached
Flashing: Appliance connected to power supply
Cause
There is no power supply.
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.
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 necessary.
Check the programming unit and replace if neces-
sary.
DHE Connect | DHE Touch | 109