Fronius Ohmpilot Bedienungsanleitung Seite 94

Code Description
925 Time not synchronised
926 No connection to inverter
927 Ohmpilot overtemperature
928 Ohmpilot undertemperature
Residual current-operated cir-
cuit breaker is triggered
Ohmpilot is not using any
surplus
Ohmpilot is using only part of
the surplus power
Power at the feed-in point is not
always adjusted to 0
After switch-on, the green LED
makes 2 long flashes
HE=Heating element TS=Temperature sensor
94
Cause
Time not synchronised in the
last 24 hours. Router has been
switched off/reconfigured.
No connection between inverter
and Ohmpilot. Inverter switched
off. Even at night, the Ohmpilot
needs a connection to the inverter.
Router switched off/faulty/reconfig-
ured. Night switch-off function on
the inverter activated. Poor WLAN
connection from the inverter or
Ohmpilot to the router.
Ambient temperature too high
(>40 °C). Heating element has too
much power. Ventilation slots
covered.
Ambient temperature too low (<0
°C).
N and L mixed up.
Thermostat on the heating element
has switched off. Safety thermo-
stat (STC) on the heating element
has been triggered.
Heating element power is lower
than surplus power.
Load and generation fluctuations
require a few seconds to settle
down.
Thermostat on heating element
has switched off. Heating element
is not connected
I=Inverter ES=External source (e.g. gas-fired heating)
Solution
Check connection between
Ohmpilot and inverter. Switch
on router. Check network
settings.
Check connection. Switch
on inverter. Update software.
Switch Ohmpilot and inverter
off and on again.
The night switch-off function
of the inverter must be disa-
bled. On the display of the
inverter, open the "SETUP/
Display settings/Night mode"
menu, set the night mode
to ON. Switch on the router.
Position the WLAN antenna
better. Check the network
settings.
Install Ohmpilot in a cooler
location. Use heating element
with more reliable power.
Uncover ventilation slots.
Install Ohmpilot in a warmer
location. Installation outdoors
is not permitted!
Connect N and L correctly.
Wait until the thermostat
switches on again. Reset the
safety thermostat.
Select a larger heating ele-
ment where necessary.
Briefly turn up the thermostat
for the power measurement.
Connect the heating element.