STIEBEL ELTRON DHB-E 13 SL - Manual (Page 33)

INSTALLATION
TROUBLESHOOTING
12. Troubleshooting
A
Danger of electrocution
To test the appliance, it must he supplied with power.
12.1 Display options LED diagnostic "traffic lights'
Display options
•
red illuminates in case of faults
о
ye lio Ы illuminates when the appliance i$ heat*
о
I'ng viiater
green flashing: The appliance is supplied with
power
CO
Ml
_l
19
12.2 Fault table
Fault / LED diagnostic "traffic light'* dis- Ursache
play*
Behebung
The appliance does not start. The shower heady perlators are scaled up. Descale or it necessary replace the shower head У
perl у tors.
Inadequate flocv rate. The sieve in the appliance is dirtv. Clean the sieve.
Set temperature is not achieved. One Phase down. Check the tdCB/fuseln your fuse box.
Heulinu does riolswllch on. The :ilr sensor delects the presence of air in the \Vtiler
and briefly switches the heater off.
The ypplíüiice resWrls after one minute.
О
о
о
No hot water and no ’traffic light" display. The MCB/tuse has respondedyWown. Check the tdCB/fuseln your fuse box.
Stiiely pressure lirriiler AP 3 hys tripped. Remove the cense of the fyull fe.||. faulty pressure
washer).
Protect the system against overheating by opening
a drmv'off vulve downslreern of the applíence for
1 minute. This depressurises and cools down the
heating system.
Aclivtile the sefely pressure lírnller'jy pressing the
pushbutton on the safety pressure limiter (see also
chapter ’Commissioning’l.
The PCD is faulty. Check the PCD and replace If necessary.
No hot water at flow rate of > 3 Irmin. The PCB is faulty. Check the PCB and replace if necessary.
■Traffic light" display: DFEtlow sensor is not plugged in. Push the flow sensor plug back on.
о Green ilyshirig or corislyrilly on DFE flow sensor is fyully. Check the flow sensor end replace if necessary.
9
О
No hot water at flow rate of > 3 Ifmin.
"Tr^ifiic lii^hr dlsplijy:
The high limit safety cut-out has tripped or its lead Is
broken.
Check the high limit safety cut-out and replace if
necessary.
Yellocv constantly on: green flashing The heating system is faulty. Measure the resistance of the heating system and
replace if necessary.
The PCD is faulty. Check the PCD and replace If necessary.
•
No hot water "Traffi'c light" display:
Red constantly on; green flashing
The cold water inlet temperature exceeds 33 ^C. Reduce the cold water inlet temperature to the
appliance.
о The cold^vyler sensor is faulty. Check the PCD and replace If necessary.
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