8
Troubleshooting & Solutions
Power supply
"Error" - sensor
defect
Note:
If a problem
appears in
regulation sensor,
regulation will be
replaced by 5%
function for safety
reasons.
WATTS works correctly but its output is activated even if room
Sensor symbol
Thermostat WATTS is not working
- Check power supply
WATTS displays message Error
"Err" is flashing on display
Symbol
A defect was discovered in interior sensor -
contact installer or seller of the device.
Symbol
A defect was discovered in floor sensor.
- Check sensor connection.
- Disconnect sensor and check by
Ohmmeter (see the corresponding table
indicating resistance values).
Symbol
A defect was discovered in exterior sensor.
- Check sensor connection.
- Disconnect sensor and check by
Ohmmeter (see the corresponding table
indicating resistance values).
temperature exceeds pre-set value.
Symbols
Lower floor limit is activated; floor is heated
because floor temperature is below lower
floor limit.
No message or symbol is displayed.
Thermostat makes use of "PWM"
regulation; it may activate heating (by
cycle) even if temperature is higher than
pre-set temperature.
62
and text "Err" are flashing.
and text "Err" are flashing.
and text "Err" are flashing.
and
are flashing.