Zanotti Zer0 120, Руководство по ремонту

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3.5.3Alarms list
SEE : electric standby maintenance interval.
It appears when the working hours of the standby
operation exceed the pre-set value. The message is
alternated with the air return temperature and/or
other alarms. The display can be temporarily reset by
pressing any key and will appear on the next start-up
of the unit, an authorized service centre needs to be
involved to permanently reset the SEE reminder.
SEr : road maintenance interval.
It appears when the working hours of the road
operation exceed the pre-set value. The message is
alternated with the air return temperature and/or
other alarms. The display can be temporarily reset by
pressing any key and will appear on the next
reactivation of the unit, an authorized service center
needs to be involved to finally reset SEr.
PrL – PMI : low-pressure switch
When the low-pressure switch trips the label PrL is
displayed. Reset is automatic. If the number of
interventions is more than a pre-set parameter LPn
during a time interval set by parameter LPd, the alarm
PMI is produced. This alarm can only be reset by
switching the unit off .
PrH – PMS : high-pressure switch
When the high-pressure switch trips the label PrH is
displayed. Reset is automatic. If the number of
interventions is more than a pre-set parameter HPn
during a time interval set by parameter HPd, the alarm
PMS is produced. This alarm can only be reset by
switching the unit off
F1t – FtB : overload relay
When the Amp draw of the electric motor crosses the
set value corresponding to the unit model or the a/c
motor overheats opening the Klixon the label F1t is
displayed. Reset is automatic. If the number of
interventions is more than a pre-set parameter HTn
during a time interval set by parameter HTd, the
alarm
FtB
is produced. This alarm can only be reset by
switching the unit off. This alarm operates exclusively
in electric standby mode.
E01 : air return probe
When the sensor doesn’t return the proper input to the
microprocessor the label E01 is displayed and the unit
stops.
HA - LA : cold room high / low temperature
Alarms are produced when the air return temperature
goes out of a certain temperature range compared to the
set point. In case of low temperature the LA alarm is
displayed. In case of high temperature the HA alarm is
displayed.
PAb – Ab : battery voltage
If battery voltage, measured on the Key-0n control cable
(wire 23), is lower than set value, a pre-alarm PAb is
activated showing there’s an anomaly. If the voltage drops
down a certain differential compared to the Ab value, the
battery alarm Ab is displayed the unit stops. Unit resumes
its operation when the proper battery voltage has been
reestablished and a certain time interval has been elapsed.
This alarm operates exclusively in road mode.
ALM : double supply
The alarms is produced when both road and electric
standby signals are sent to the microprocessor. The unit
stops and standby and road icon as well are flashing.
noL : controller communication
the alarms is generated when the micro doesn’t receive
the proper signal by the in cab controller.
Pon : controller unlocked
It appears after the in cab controller is unlocked by pushing
simultaneously up and down keys.
Pof : controller locked
It appears when the in-cab controller has been locked. The
in-cab controller shows temperatures and alarms with no
ability to interact with it.