Daikin ZANOTTI AS Serie Manual De Uso Y Manutención página 30

ALARM
High temperature
Low temperature
Room sensor
Evaporator sensor
ondenser sensor
Condenser
temperature
High pressure
Voltage monitor
DISPLAY
(AH1)
Red led and alarm relay are
activated; HI is displayed in the
alarm menu as indicated above.
(AL1)
Red led, buzzer and alarm relay
are activated; AL1 is displayed in
the alarm menu.
(E1)
Red led, buzzer and alarm relay
are activated; E1 is displayed.
(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 are 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 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
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 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 OFF condition.
CAUSE
Excessive door openings
Excessive product load
Product too warm
Malfunction of the unit
Malfunction
electronic controller
Faulty sensor
Sensor with wrong
connection
Faulty sensor
Sensor with wrong
connection
displayed
Faulty sensor
Sensor with
connection
displayed
Dirty condenser
Faulty operation
condenser fan.
Dirty condenser.
Wrong supply voltage
is an
restarts
REMEDY
of the Service intervention
Replace sensor
Replace sensor
Replace sensor
wrong
Clean condenser
of Switch off the refrigerating
unit, wait a few seconds
and switch on again.
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