© MHG Heating Ltd
55
MHG Heating Ltd Unit 4 Epsom Dow ns Metro Centre, Waterfield, Tadw orth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web w w w .mhgheating.co.uk
010717
133
Safety time for establishment of flame exceeded
146
Configuration error sensor/controlling elements
151
LMS14… error, internally
152
Parameterization error
153
Unit manually locked
160
Fan speed threshold not reached
162
Air pressure switch does not close
164
Flow/pressure switch, heating circuit error
166
Air pressure switch error, does not open
169
Sitherm Pro system error
170
Error water pressure sensor, primary side
171
Alarm contact 1 active
172
Alarm contact 2 active
173
Alarm contact 3 active
174
Alarm contact 4 active
176
Water pressure 2 too high
177
Water pressure 2 too low
178
Temperature limiter heating circuit 1
179
Temperature limiter heating circuit 2
183
Unit in parameterization mode
195
Maximum duration of the refill per charging exceeded
196
Maximum duration of the refill per week exceeded
209
Fault heating circuit
214
Monitoring of motor
215
Fault fan air diverting valve
216
Fault boiler
217
Sensor error
218
Pressure supervision
241
Flow sensor for yield measurement, error
242
Return sensor for yield measurement, error
243
Swimming pool sensor, error
260
217 Flow temperature 3, sensor error
270
215 Temperature difference, heat exchanger too large
317
214 Mains frequency outside permissible range
320
217 DHW charging temperature, sensor error
321
217 DHW outlet temperature, sensor error
322
218 Water pressure 3 too high
323
218 Water pressure 3 too low
324
146 Input BX, same sensors
325
146 Input BX/extension module, same sensors
326
146 Input BX/mixing group, same sensors
327
146 Extension module, same function
328
146 Mixing group, same function
329
146 Extension module/mixing group, same function
330
146 Sensor input BX1 without function
331
146 Sensor input BX2 without function
332
146 Sensor input BX3 without function
333
146 Sensor input BX4 without function
335
146 Sensor input BX21 without function
336
146 Sensor input BX22 without function
339
146 Collector pump Q5 missing
