110
English
Type of
signal
Description of Fault
Notes/Solution
DL3 LED
flash no.
General Alarm.
Present in case of any fault
/
Faulty temperature probe
The faulty probe code appears next to the "thermometer"
icon. In the
Read
Menu the faulty sensor no longer provides
any reading.
2
Faulty humidity/CO2 probe
It is recommended to enter the
Read
Menu to check the
probe data and identify which probe is faulty.
6
Filter replacement
Replace the filters of the unit.
1
Electric defrost resistance fault
Check the resistance reset thermostat;
Check the electrical connections;
It is recommended to enter the
Read
Menu to check the
probe data and identify which probe is faulty
3
FROST
Antifreeze Alarm
SEE ANTIFREEZE PROTECTIVE CIRCUIT CHART
The FROST alarm resets automatically.
/
T-EP Control Error
Check the electrical connections between the control and
the power board of the unit.
7
Problem with the differential
pressure transducer module
/
5
Timekeeper alarm
Buffer coil dead: the unit may have lost its starting config-
urations. Contact Support
/
• ALARMS
Below is a table for troubleshooting the faults that
may occur during operation of the machine.
In case of an alarm, contact the
Authorized Service Center.
• “Read” Menu Reports
“Read” menu
screen
Type of
signal
Description
Remaining
time
-----
FAN max. rpm exceeded.
Dirty filters earlier than countdown completion.
RD2
FAN min rpm exceeded.
It is recommended to enter the
Read
Menu to check the FAN operating parameters and
identify which FAN is not working
The table showing the reports that may occur during the
operation of the machine follows.
AUTO
