Zanotti AS Serie Manual De Uso página 29

ENTER key for 3 seconds: FnC appears. Press SB.M./UP key until AL is displayed and then press
ENTER. At this point a code is displayed indicating the cause of the alarm.
To leave the alarm menu wait 15 seconds or press SET as long as cold room temperature is
displayed.
ALARM
High temperature
Low temperature
Room sensor
Evaporator sensor
ondenser sensor
Condenser temperature
High pressure
Voltage monitor
DISPLAY
(HI)
Red led and alarm relay
are activated; HI
displayed in the alarm
menu as indicated above.
(LI)
Red led, buzzer and alarm
relay are activated; LI is
displayed in the alarm
menu.
(E1)
Red led, buzzer and alarm
relay are activated; E1 and
Err are displayed
alternately.
(E2)
Red led, buzzer and alarm
relay are activated; Err and
cold room temperature are
displayed alternately. E2 is
displayed in the alarm
menu.
(E4)
Red led, buzzer and alarm
relay are activated; Err and
cold room temperature are
displayed alternately. E4 is
displayed in the alarm
menu.
If the condensing
temperature exceeds
factory pre-set value, red
led and buzzer
activated; H4 is displayed
in the alarm menu.
(E0)
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 off automatically.
The alarm relay
activated, Err and
room temperature
displayed alternately. E0 is
displayed
in
the
alarm
menu. To reset the unit
turn it off and then on
again using the ON/OFF
key.
(E8)
CAUSE
Excessive door openings
Excessive product load
is Product too warm
Malfunction of the unit
Malfunction
electronic controller
Faulty sensor
Sensor with wrong
connection
Faulty sensor
Sensor with wrong
connection
Faulty sensor
Sensor with
connection
Dirty condenser
a
are
Faulty operation
condenser fan.
Dirty condenser.
is
cold
are
Wrong supply voltage
REMEDY
of the Service intervention
Replace sensor
Replace sensor
Replace sensor
wrong
Clean condenser
of Switch off the refrigerating
unit, wait
and switch on again.
a few seconds
29