HFN (NO) is displayed
The FAN1-FAN2 LEDs flash
Fan cyclic test
for 5 min. every “n” hours
Set the desired number of hours
Default NO = function disabled
Fault for quick temperature
increase (°C/sec)
Set the desired value
(See FCD info on page 28)
Default NO
(function excluded)
VOT (NO) is displayed
(See VOTING on page 17)
Default NO
(function excluded)
The display shows FLS (ALARM) flashing LED ALARM
(info FAIL SAFE on page 27)
The display shows FLS (TRIP) LED flashes TRIP
The display shows FLS (FAULT) LED flashes FAULT
For NT935 (BAS) version jumps to step 41
ADR <> "datum" is displayed
Modbus address
Default 001
BDR <> "datum" is displayed
Modbus transmission speed
Default 19.2 Kb/s
From 2.4 Kb/s to 38.4 Kb/s
PAR <> "datum" is displayed
Parity bit selection Default EVE
Set the desired parity bit
None (N-1 or N-2), Even (EVE),
Odd (ODD)
See Data frame at page 19
420 <> "datum" is displayed
4.20 mA output programming
Select the 4.20 mA output desired
1-2-3-4; fixed channel
SCA: scanning
HOT: the hottest channel
Default HOT
Press ENT to save the set data
and exit programming
Err: incorrect programming of
the LED values (note 6)
See programming notes on page
16