Code
Description
Range
GM012
Release signal for the CU
0 = No
1 = Yes
GM015
Valve Proving System switch open / closed
0 = Open
1 = Closed
2 = Off
Tab.42
> FSB-WHB-HE-150-300 - Signals at installer level
Code
Description
Range
AM011
Is service currently required?
0 = No
1 = Yes
AM033
Next service indication
0 = None
1 = A
2 = B
3 = C
4 = Custom
AM036
Temperature of the exhaust gas leaving the appliance
0 °C - 250 °C
AM044
Number of sensors supported by the device
0 - 255
AM045
Water pressure sensor present?
0 = No
1 = Yes
AM091
Seasonal mode active (summer / winter)
0 = Winter
1 = Frost protection
2 = Summer neutral band
3 = Summer
GM004
Gas valve 1
0 = Open
1 = Closed
2 = Off
GM005
Gas valve 2
0 = Open
1 = Closed
2 = Off
GM010
Available power in % of maximum
0 % - 100 %
GM044
Possible reason for Controlled Stop
0 = None
1 = CH Blocking
2 = DHW Blocking
3 = Wait for burner
4 = TFlow > absolute max
5 = TFlow > start temp.
6 = Theat exch. > Tstart
7 = Avg Tflow > Tstart
8 = TFlow > max setpoint
9 = T difference too big
10 = TFlow > stop temp.
11 = Avg Tflow > Tstop
PM002
External winning Central Heating setpoint
0 °C - 125 °C
9.3.5
Status and sub-status - FSB-WHB-HE-150-300
Tab.43 Status numbers
Status
0
Standby
1
Heat Demand
2
Burner Start
3
Burning CH
4
Burning Dhw
5
Burner Stop
6
Pump Post Run
7
Cooling Active
9 Settings
7665063 - v.05 - 18102018
59
