14
ZetaMix System
®
switched on.
No heating
power.
Heating
elements
voltage and
current are 0
while the
temperature
controller is on
run state.
The green
"power" light
is off, and
the red
"open circuit"
light is on.
The heater power
circuit is not
connected to the
power supply
because its 32A
circuit breaker is
open.
Identify (if possible) the
cause of the failure.
Check and close the 32A
circuit breaker inside the
furnace (behind the control
panel).
The green
"power" light
is off and the
red "open
circuit" light is
off.
Same as the
previous failure
and
the red light is
broken.
Same as the previous failure
and
change the red light.
The current of
the heating
elements is 0
while their
voltage is
maximum.
/
A heating element
is broken.
Identify which heating
element is broken and
change it.
Check first under the top
cover and then inside the
heating chamber.
Controller
panel SV
indicate “Oral”
/
/
The thermocouple
circuit is broken.
Change the thermocouple.
Controller
panel SV
i
ndicate “
Hi
al”
/
/
Furnace
temperature >Max
Let the furnace cool down.
Check the temperature
controller and the
thermocouple.
