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2.1 LED Functions
LED MODE
FUNCTION
ON
Compressor enabled
Flashing
Anti-short cycle enabled
ON
Defrost cycle enabled
ON
Fan enabled
Flashing
Fan delay after defrost enabled
ON
Alarm occurring
ON
Temperature measuring unit
Flashing
Programming mode
3) Alarm Signals
3.1 Code Description
MESSAGE CAUSE
FUNCTION
P1
Temperature probe faulty
Compressor switching to Con and CoF
HA
High temperature alarm
Outputs
unchanged
LA
Low temperature alarm
Outputs unchanged
CA
External alarm
All outputs off
3.2 Alarm Recovery
Probe alarms P1”, start a few seconds after the fault in the related probe; they
automatically stop a few seconds after the probe restarts normal operation.
Check connections before replacing the probe. Temperature alarms “HA”, “LA”
automatically stops as soon as the temperature returns to normal value. Alarm
“CA” (with i1F=PAL) recovers only by switching off and on the instrument.
4) Temperature Set-Point
4.1 How to see the set-point
1. Press and immediately release the
SET
key, the display will show the set-point
value.
2. Press again and immediately release the
SET
key or wait for 5 seconds to
display the probe value again.
4.2 How to change the set-point
1. Press the
SET
key for more than 3 seconds until the “°C” or “°F” LED starts
blinking and the set-point will be displayed.
2. To change the set value, press the up/down keys
/
within 10 sec.
3. To store the new set-point value, press the
SET
key again or wait 10 sec.
5) Parameter Programming
