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© MHG Heating Ltd
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MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email
Web www.mhgheating.co.uk
140116
100
2 clock time masters
102
Clock time master without backup
103
Communication error
105
Maintenance message
109
Supervision boiler temperature
110
STB (SLT) lockout
111
Temperature limiter safety shutdown
117
Water pressure too high
118
Water pressure too low
119
Water pressure switch has cut out
121
Flow temperature heating circuit 1 not reached
122
Flow temperature heating circuit 2 not reached
125
Maximum boiler temperature exceeded
126
DHW charging temperature not reached
127
DHW legionella temperature not reached
128
Loss of flame during operation
129
Wrong air supply
130
Flue gas temperature limit exceeded
132
Gas pressure switch safety shutdown
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