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English
ALARMS
Below is a table for troubleshooting the faults that
may occur during operation of the machine.
USER MAINTENANCE
Servicing involving the user is limited to periodi-
cally replacing the filters. The filters must only be
replaced when indicated on the controller display
(icon
).
The unit cannot be used without filters.
Always disconnect power before accessing
the unit.
• Open the front panel;
• Remove the caps (A);
• Extract the filters and replace them (B).
• Put all the components back in the opposite
order and reconnect power.
PLEASE NOTE: comply with the codes on the
filters and the type of unit connection used
(standard or right side).
Type of
Signal
Description
of Fault
Notes/Solution
DL3 Blinking
LED
General Alarm.
Present in case of any fault
/
FAN voltage/speed limits ex-
ceeded.
It is recommended to enter the
Read
Menu to check the FAN
operating parameters and identify which FAN is not working
4
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
REFER TO ANTIFREEZE PROTECTIVE CIRCUIT
TABLE
The FROST alarm is reset automatically. In order to report
the failure, the FROST string continues to flash in the hours
field until technical support is provided.
/
T-EP Controller Error
Check the electrical connections between the controller
and the power board of the machine.
7
AUTO
A
B
F7
M5
F7
M5
Standard Configuration
Right Side Configuration
• Now it is possible to switch off the icon
of
the display.
•
Go to the User Setting menu, press the “M”button.
•
Use the
TOUCH PAD
to select the icon of filter
activation
.
•
Press the confirm button
.
• The timer to change the filters has been reset .
