31
8.2 Temperature probes failure
Termperature probes failure requires a maintenance service
in order to identify and remove the system fault causes.
4
level
3
level
2
level
1
level
20 sec.
20 sec.
20 sec.
20 sec.
If a temperature probes failure occurs the heaters power
supply is automatically switched off, a warning signal
is displayed and a prolonged alarm sound is produced.
SET
t n
O
21.1
°C
SET
°C
E P
rr
4
SET
t n
O
21.1
°C
SET
°C
E P
rr
3
SET
t n
O
21.1
°C
SET
°C
E P
rr
2
SET
t n
O
21.1
°C
SET
°C
E P
rr
1