30
8 MALFUNCTION AND SERVICE
8.1 Over-heating
Manual reset thermal
safety switch
In case of regulation failure and overheating the system is
protected by a manual reset switch placed behind the upper
cabinet’s top front.
If an overheating condition occurs the heaters power
supply is automatically switched off, a warning signal
is displayed and a prolonged alarm sound is produced.
Overheating represents an emergency condition
which requires a maintenance service
in order to identify and remove the system fault causes.
>70°C
20 sec.
SET
t n
O
21.1
°C
SET
t n
O
65.0
°C
SET
t n
O
21.1
°C
SET
- - - - t
°C
OUE
r
