5
Status and configuration flag registers:
You can set the mode and view the alarms and status of the controller via the relevant flags of some registers.
Operation mode setting register PRG, address 201
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
Stby
-
-
LOCK
-
PRG
–
PRG:
000=Sutomatic; 001=Silent; 010=Night; 011=Maximum
–
LOCK:
0= Keyboard enabled; 1= Keyboard disabled locally
–
Stby:
0=Normal operation; 1=Stand-by mode
–
8-15:
System Flags reserved, do not change the status
Output status relay register OUT, address 009
7
6
5
4
3
2
1
0
-
-
-
-
BOILER
CHILLER
EV2
EV1
Flag STAT status, address 104
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
H4
asnt
H2
asnt
Com
err.
stby
test
alrm
Antig
0
B.A.
F.V.
H4
F.V.
H2
Mod.
Risc.
Mod.
Raff.
–
Mod. Risc./Mod. Rafr:
Active mode;
–
F.V. H2:
Fan stop water not suitable on H2;
–
F.V. H4:
Fan stop water not suitable on H4;
–
B.A.:
Stop for unsuitable water (machine in standby for 45 minutes)
–
Antig.:
Device in antifreeze mode
–
Alrm:
At least one alarm present
–
Test:
Instrument in test mode for testing
–
Stby:
Device in standby
–
Com err:
Timeout master (vers. Centralised B32) of 300sec
–
H2 asnt:
on board with H2 probe, the probe is absent on start up
–
H4 asnt:
on board with H4 probe, the probe is absent on start up
Alarm flag ALR_STAT, address 105
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
2 AIR
M5
Filter
H2
n. id
SW
GRL
Mot
Hi
Res
H4
n. id
H2
Acq.
Dan.
H4
AIR
Com.
–
Com.:
“Blind” version communication error
–
AIR:
AIR probe
–
H4:
H4 probe
–
Acq. Dan.:
Block for harmful water
–
H2:
H2 probe
–
H4 n. id:
Coil hot water temperature not suitable (version 2 and 4 pipes)
–
Hi Res:
High temperature resistance
–
Mot.:
Motor fault
–
GRID:
GRID contact open
–
H2 n. id:
Main coil water temperature not suitable (version 2 and 4 pipes)
–
Filtro:
Maintenance required (dirty filter)
–
2 AIR M4 (only for M4 control panel):
Communication error with fancoil with remote air probe or presence of more than
one board with air probe ('E2’ displayed)
