ENGLISH
Error messages
An alarm message LED is located on the control box. The table below shows the information supplied by the LED:
LED STATUS
OFF
Regular slow blinks
Steady on
1 quick blink
2 quick blinks
3 quick blinks
4 quick blinks
5 quick blinks
6 quick blinks
7 or more quick blinks
NOTE To reset the Preheater or the internal/external high temperature alarm act on contact 3 of the dip switch INT2: set it
to ON, wait a few seconds and then put it to OFF. If the alarms have been reset correctly, the LED stops blinking.
Procedure to reset the filter timer
When user replaces filters have to reset the filter timer thanks to a series of acting (on the control box).
Below the procedure to reset the filter timer:
1. (on the control box) Put the "Start/stop switch" on "OFF" and the "speed switch" on "1". Wait at least 5 seconds;
2. Put the "Start/stop switch" on "ON". Wait at least 5 seconds;
3. Put the "speed switch" on "2". Wait at least 5 seconds;
4. Put the "Start/stop switch" on "OFF". Wait at least 5 seconds;
5. Put the "speed switch" on "3". Wait at least 5 seconds;
6. Put the "Start/stop switch" on "ON". Wait at least 5 seconds;
7. Put the "speed switch" on "2". Wait at least 5 seconds;
8. Put the "Start/stop switch" on "OFF". Wait at least 5 seconds;
9. Put the "speed switch" on "1". Wait at least 5 seconds;
If the LED is off (so leaves by "dirty filter pre-alarm" or "dirty filter alarm") means that the filter timer was correctly resetted.
MEANING
Everything is ok
Dirty filter prealarm
Dirty filter alarm
Malfunction of the
internal air temperature
probe
Malfunction of the ex-
ternal air temperature
probe
Malfunction of the re-
turn air temperature
probe
Preheater malfun-
ction
High external air
temperature
High internal
air temperature
Malfunction of the
electronic board
WHAT IT INVOLVES
Nothing
The machine stops
The machine stops
The machine stops
The machine stops.
The no-frost through
preheater does not
work
The machine stops
The machin stops
Nothing
WHAT TO DO
Replace the filters as
soon
as
possible.
After 2 months from
its start the machine
goes into filter alarm
and it stops
Replace the filters
Call CAT
Call CAT
Call CAT
Call CAT
Wait until the
temperature reaches
normal values
Wait until the
temperature reaches
normal values
Call Cat
RESET
Manual, through the
filter
timer
reset
procedure
Manual, through the
filter timer reset
procedure
Automatic reset as
soon as the probe
restarts
Automatic reset as
soon as the probe
restarts
Automatic reset as
soon as the probe
restarts
Manual, through alarm
reset dip switch
Automatic reset
when the
temperature reaches
normal values
Automatic reset
when the
temperature reaches
normal values
Manual
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