T-EP wall control
63
ALARMS
Below is a table for troubleshooting the faults
that may occur during operation of the machine.
Type
of Alert
Description of Fault
Notes/Solution
General Alarm.
Present in case of any fault.
FAN thermal contact.
One of the fans is not working.
It is recommended to enter the
Read
Menu to check
the FAN operating parameters and identify which FAN
is not working.
FAN voltage/speed limits exceeded.
It is recommended to enter the
Read
Menu to check
the FAN operating parameters and identify which FAN
is not working.
Faulty temperature probe.
It is recommended to enter the
Read
Menu to check the
probe data and identify which probe is faulty.
Faulty CO
2
probe.
It is recommended to enter the
Read
Menu to check the
probe data and identify which probe is faulty
Replacement of filters
(alerted by differential pressure switches) .
Clean or replace the filters of the machine.
At cleaned filter the icon automatically disappears.
IAQ filter fault.
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.
FROST
Antifreeze Alarm.
Without antifreeze pre-treatment: <-10°C outdoor
temperature.
With antifreeze pre-treatment: <-20°C outdoor tem-
perature.
T-EP Controller Error.
Check the electrical connections between the controller
and the power board of the machine.
AUTO
