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Phason Support Forum » Frequently asked questions (FAQs) » Single stage controls » Control flashes 'tS' (VTC-1D, FHC-1D, SSC-1D)

Control flashes 'tS' (VTC-1D, FHC-1D, SSC-1D)

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The control flashes between 'tS' and the room temperature.


  1. The temperature knob has been turned without pushing and holding the switch to the right.
    Press the switch to the right to clear the alarm.

  2. The voltage switch is set to 230 volts, but the incoming power is 115 volts.
    Check the voltage at the control and press the switch to the right to clear the alarm.

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