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TROUBLESHOOTING
STATUS MESSAGES
Safety switch circuit is open
SAFE
EN
rESt
Pause time active
rc on
Remote control activated
Table 2a. Status messages
If an error occurs, the heater and/or steamer power will cut off and the control panel will show an error
message E(number), which helps troubleshooting the cause for the error. All service operations must be
done by professional maintenance personnel!
ERROR MESSAGES
Description
Temperature sensor's
E1
measuring circuit broken.
Temperature sensor's
E2
measuring circuit short-
circuited.
Overheat protector's
measuring circuit broken.
E3
Humidity sensor's temperature
E6
measuring component failure.
Humidity sensor's humidity
E7
measuring component failure.
Humidity sensor's humidity
E8
measuring circuit broken.
Connection failure between
E9
the control panel and the
power unit.
Water level low or steamer's
overheat protector engaged.
Water level warning light
blinks.
WiFi indicator light is off
WiFi indicator light is on
WiFi indicator light flashes 3
times in a row
WiFi indicator light flashes
every 5 seconds
Table 2b. Error messages
20
Remove the object from atop the safety switch
-
-
Remedy
Check the red and yellow wires to the temperature sensor
and their connections for faults.
Check the red and yellow wires to the temperature sensor
and their connections for faults.
Press the overheat protector's reset button. Check the
blue and white wires to the temperature sensor and their
connections for faults.
Check the brown and blue wires to the humidity sensor and
their connections for faults. Replace the sensor.
Check the brown and blue wires to the humidity sensor and
their connections for faults. Replace the sensor.
Check the brown and blue wires to the humidity sensor and
their connections for faults.
Check the cable and the connectors.
Add water (manual filling models) or check the water supply
(automatic filling models). Check the steamer's overheat
protector. See the steamer's or Combi heater's manual for
more instructions and safety information.
WiFi connection is off in the S-CO setup menu.
WiFi connection is on. Connections to the router and
MyHarvia cloud are working.
WiFi connection is on, but connection to MyHarvia cloud
fails. Check your internet connection. Try restarting your
router.
The Wi-Fi connection is on, but the wifi connection between
the control panel and the router fails. Try fixing the
connection by turning off and on the WiFi connection in the
control panel S-CO setup menu.
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