Harvia SENTIO Professional B3 Instructions For Installation And Use Manual page 73

Instructions for installation and use
12. Troubleshooting
12.1. Error messages
The sauna control unit is equipped with diagnostic software which monitors system
statuses when it switches on and during operation. As soon as the diagnostic
software identifies an error, the sauna control unit switches the sauna heater off.
Errors are indicated by a recurring warning tone and by flashing on the humidity
selector and the temperature selector
2
humidity display
1
Switch the sauna control unit off using the ON/OFF switch
error before switching the sauna control unit on again.
The following table describes the possible errors and their causes. If necessary,
tell the error number to your customer service specialist.
Error Description
01 Safety shut-off
02 Safety temperature
limiter
04F1 Heater sensor error
06F2 Bench sensor error
07 Humidity sensor error
. The error number appears in the temperature display
An object has been placed on the sauna
heater. Remove any objects before starting
up the sauna heater again.
If no safety shut-off is fitted, note 5.8. Con-
necting the safety shut-off on page 19.
The maximum temperature of 139 °C has
been exceeded above the heater.
Defective heater sensor, poor contact,
or short circuit.
Defective bench sensor, poor contact,
or short circuit.
Defective humidity sensor, poor contact,
or short circuit
. Furthermore, "Err" appears in the
3
Cause / rectification
p. 35/38
.
4
and rectify the
6
EN