Lockouts
Error
code
Description of error
151 Internal
error
152 Parameterization
error
153
Unit manually locked
160 Fan
error
162
LP error, does not close
164
Error heating circuit flow switch
166
LP error, does not open
171
Alarm contact H1 or H4 active
172
Alarm contact H2 (EM1, EM2 or EM3) or H5 active
173
Alarm contact H6 active
174
Alarm contact H3 or H7 active
178
Limit thermostat heating circuit 1
179
Limit thermostat heating circuit 2
183
Unit in parameterization mode
193
Pump supervision error after flame on
216 Fault
boiler
217 Fault
sensor
241
Flow sensor solar sensor error
242
Return sensor solar sensor error
243
Swimming pool temperature sensor error
270 Limit
function
317
Mains frequency outside permissible range
320
DHW charging temperature sensor error
324
BX same sensors
325
BX / extension module same sensors
326
BX / mixing group same sensors
327
Extension module same function
328
Mixing group same finction
329
Extension module / mixing group same function
330
Sensor BX1 no function
331
Sensor BX2 no function
332
Sensor BX3 no function
333
Sensor BX4 no function
334
Sensor BX5 no function
335
Sensor BX21 no function (EM1, EM2 or EM3)
336
Sensor BX22 no function (EM1, EM2 or EM3)
337
Sensor BX1 no function
338
Sensor BX12 no function
339
Collector pump Q5 not available
340
Collector pump Q16 not available
341
Solar Collector sensor B6 not available
342
DHW sensor B31 not available
343
Solar integration not available
344
Solar controlling element buffer K8 not available
345
Solar controlling element swimming pool K18 not available
346
Solid fuel boiler pump Q10 not available
347
Solid fuel boiler comparison sensor not available
348
Solid fuel boiler address error
33