Zanotti GM1, Инструкция по эксплуатации и обслуживанию

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Evaporator sensor (E2)
Red alarm led and alarm relay
are activated; E2 and cold room
temperature are displayed
alternately.
Faulty sensor
Sensor with wrong
connection
Replace sensor
Condenser sensor (E3)
Red alarm led, and alarm relay
are activated; E3 and cold room
temperature are displayed
alternately.
Faulty sensor
Sensor with wrong
connection
Replace sensor
Condenser
temperature
If the condensing temperature
exceeds a factory pre-set value,
red alarm led is activated;
AH3 is displayed in the alarm
menu.
Dirty condenser Clean condenser
High pressure (nPA)
Each time the pressure switch
trips,the red alarm led is
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
Faulty operation of
condenser fan.
Dirty condenser.
Switch off the refrigerating
unit, wait a few seconds
and switch on again.
Voltage monitor (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 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 OFF
condition.
Wrong supply voltage
Alarm open door (Opd)
Türalarm – der Türkontakt ist
länger als 60 min. geöffnet
Gerät läuft wieder an.