Error code

HHF

Issue

The temperature of the floor sensor exceeds the reading range.

Verification

Make sure that the operating temperature of the thermostat is between 0 °C and 50 °C (32 °F and 122 °F).

Solution

Perform a reset of the circuit breaker.

  1. Find the circuit breaker connected to the unit.
  2. Disable it.
  3. Wait about 30 seconds.
  4. Reactivate the circuit breaker.

Problem solved?

  • Yes
  • No

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