Zanotti GM Série Notice De Mode D'emploi Et D'entretien page 31

Evaporator sensor
ondenser sensor
Condenser
temperature
High pressure
Voltage monitor
Alarm open door
(E2)
Red led, buzzer and alarm relay
are activated; E2 and cold room
temperature are
alternately.
(E3)
Red led, buzzer and alarm relay
are activated; E3 and cold room
temperature are
alternately.
If the condensing temperature
exceeds a factory pre-set value,
red led and buzzer
activated; AH3 is displayed in
the alarm menu.
(nPA)
Each time the pressure switch
trips, the buzzer and the red
led are activated. If more than
10 trips occur in 1 hour, then
the unit is turned
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, the buzzer and the
alarm led. EA is displayed in
the alarm menu. The unit stops
for about 6 minutes
restarts 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
are
Faulty operation
condenser fan.
Dirty condenser.
off
Wrong supply voltage
and
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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