Zanotti GM Série Notice De Mode D'emploi Et D'entretien page 33

Evaporator sensor
Condenser sensor
Condenser
temperature
High pressure
Voltage monitor
Alarm open door
(E2)
Red alarm led and alarm relay
are activated; E2 and cold room
temperature are
alternately.
(E3)
Red alarm led, and alarm relay
are activated; E3 and cold room
temperature are
alternately.
If the condensing temperature
exceeds a factory pre-set value,
red alarm led is activated;
AH3 is displayed in the alarm
menu.
(nPA)
Each time the pressure switch
trips,the red alarm
activated. If more than 10 trips
occur in 1 hour, then the unit is
turned off automatically. The
alarm relay is activated, nPA is
displayed in the alarm menu.
To reset the unit turn it off and
then on again
(EA)
The voltage monitor is an
electronic device which checks
the supply voltage of the unit.
When voltage variations exceed
+/- 12% the device activates
the red led and the alarm led.
EA is displayed in the alarm
menu. The unit stops for about
6 minutes and
automatically if voltage is within
the prescribed limits.
Warning: On first starting the
monitor carries out a counting
phase of 7 minutes, during
which the unit should be left
connected but in
condition.
(Opd)
Türalarm – der Türkontakt ist
länger als 60 min. geöffnet
Gerät läuft wieder an.
Faulty sensor
Sensor with wrong
connection
displayed
Faulty sensor
Sensor
connection
displayed
Dirty condenser
Faulty operation
condenser fan.
led is Dirty condenser.
Wrong supply voltage
restarts
OFF
Replace sensor
Replace sensor
with wrong
Clean condenser
of Switch off the refrigerating
unit, wait
and switch on again.
a few seconds
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