Sentiotec O-A1-9 Mode D'emploi page 30

Installation instructions, only for experts
b. Open the heater sensor and disconnect one of the two red wires for
the heater sensor.
► The control unit must switch off the heater and the control light must flash.
c. Reconnect the red wire for the heater sensor.
► The control light is permanently on.
d. Now disconnect one of the white wires for the heater sensor.
► The control unit must switch off the heater and the control light must
flash.
e. Reconnect the white wire for the heater sensor.
3. Check the phase circuit of the relay in sauna mode:
L1 → U
5. Troubleshooting for the installer
Problem: Control light flashes
Troubleshooting:
1. Check temperature sensors:
a. Separate the sauna control from the mains on all poles.
b. Release the white heater sensor wires from terminal F1 on the sauna
control unit.
c. Measure the resistance on both cable ends.
► At room temperature (~25 °C) the value must be 1.9–2.1 kΩ.
2. Check the excess temperature protection:
a. Separate the sauna control from the mains on all poles.
b. Release the red heater sensor wires from terminal TS on the sauna
control unit.
c. Measure the resistance on both cable ends.
► The value must be 0 kΩ (continuity).
If the measured values differ, check the wiring and the heater sensor connection.
If the problem persists, please consult your supplier.
WORLD OF WELLNESS
L2 → V L3 → W
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