Status codes
922
923
60 °C for Legion-
ella prevention
could not be
achieved within 24
hours.
Minimum temper-
ature could not be
achieved within 5
hours
ES is switched off/faulty. (922
only). TS has not been fitted
correctly. Heating system has
not been dimensioned prop-
erly (hot water consumption
too high, etc.) HE/TS defect-
ive.
Switch on ES (922
only). Fit TS
above the HE (in
the protective
tube). Legionella
prevention via the
user interface. Re-
place HE/TS.
924 ES could not
achieve minimum
temperature with-
in 5 hours.
ES switched off/faulty. ES
not connected to Ohmpilot.
TS incorrectly mounted.
Heating system not dimen-
sioned properly (hot water
consumption too high, etc.).
TS faulty.
Switch on ES.
Connect ES to re-
lay 1. Fit TS above
the heater battery
of the ES. Check
minimum temper-
ature setting. Re-
place TS.
925 Time not syn-
chronised
Time not synchronised in the
last 24 hours. Router has
been switched off/recon-
figured.
Check connection
between Ohmpi-
lot and inverter.
Switch on router.
Check network
settings.
926 No connection to
inverter
No connection between in-
verter and Ohmpilot. Inverter
switched off. The Ohmpilot
also needs a connection to
the inverter at night. Router
switched off/faulty/recon-
figured. Night switch-off
function enabled on the in-
verter. Poor WLAN connec-
tion between inverter or
Ohmpilot and router.
Check connec-
tion. Switch on
the inverter. Up-
date the software.
Switch the Ohm-
pilot and inverter
off and on again.
Deactivate the
night switch-off
function of the in-
verter. On the in-
verter display, set
night mode to ON
under "SETUP/
Display Setting/
Night Mode"
menu. Switch on
router. Reposition
the WLAN an-
tenna to a better
location. Check
network settings.
927 Ohmpilot over-
temperature
Ambient temperature too
high (> 40 °C). The output of
the heating element is too
high. Ventilation slots are
covered.
Install Ohmpilot
in a cooler loca-
tion. Use a heating
element with a
permissible out-
put. Uncover the
ventilation slots.
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