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Fault
code
Fault description
Explanations/causes
110
Safety temperature limiter lockout
No heat removal, faulty sensor, STB/interruption, possible
short circuit in the gas valve
, internal fuse faulty; allow de
vice to cool down and carry out reset; if the fault occurs sever
al times inform the installer
111
Temperature monitor switching off
No heat supply; pump defect, radiator valves closed
1)
119
Fault water pressure
Check water pressure or fill in water
1)
121
Flow temperature 1 (Heating circuit 1) monitoring
122
Flow temperature 2 (Heating circuit 2) monitoring
126
DHW charging monitoring
127
Legionnaire's disease germs temperature not
reached
128
Flame failure during operation
132
Gas pressure monitor or air pressure monitor fault
Lack of gas, contact GW opened, external temperature moni
tor
133
No flame during the safety time
Reset, if the fault re-occurs several times contact installer,
lack of gas, polarity of mains connection, safety period, check
ignition electrode and ionization current
1)
3)
146
Configuration fault common message
151
Internal fault
Check parameters (see adjustment table installer and/or call-
up values), unlock LMS, replace LMS, installer
1)
3)
152
Parameterization fault
160
Fan fault
Fan possibly defective, speed threshold set wrongly
3)
162
Air pressure monitor does not close.
171
Alarm contact H1 or H4 activated
172
Alarm contact H2 (EM1, EM2 or EM3) or H5 activated
178
Temperature monitor heating circuit 1
179
Temperature monitor heating circuit 2
183
The device is in parameter setting mode
217
Sensor fault
218
Pressure monitoring
241
Flow sensor solar sensor fault
242
Return sensor solar sensor fault
243
Swimming pool sensor fault
260
Flow temperature 3 sensor fault
270
Monitoring function
317
Mains frequency outside of valid range
320
DHW charging temp sensor fault
324
BX same sensors
325
BX / extension module same sensors
326
BX / mixer group same sensors
327
Extension module same function
328
Mixer group same function
329
Extension module / mixer group same function
330
Sensor BX1 no function
331
Sensor BX2 no function
332
Sensor BX3 no function
335
Sensor BX21 no function (EM1, EM2 or EM3)
11 Troubleshooting
7658013 - 02 - 15092016
Paramount four 30 – 115 kW
135