MHG Heating Ltd ©
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR
Phone: 0845 6448802 Fax: 0845 6448803 Email:
010911
E-58
HWS Volt Free Switch Fault / Not Detected
E-60
Faulty Room Sensor
E-61
Faulty Room Sensor
E-62
Incorrect Room Unit Connected
E-77
Air Pressure Sensor Not Detected (Not Used)
E-78
Water Pressure Sensor Defective (Not Used)
E-81
LPB Short Circuit (Boiler Cascade Wiring)
E-82
LPB Address Conflict (Boiler Cascade Settings)
E-86
Short Circuit on PPS Connection (Not Used in ProCon Configuration)
E-91 EEPROM
E-92 Hardware
Malfunction
E-100
Conflict Between Time of Day Master Control (Boiler / QAA70 / RVA47)
E-105
Annual Service of Unit is Due.
(QAA73 Service Tool Required to reset timer See Section 16.0)
E-110
Module Water Temperature Overheat
E-111
Module Temperature Too High (Auto Resetting)
E-113
Flue Gas Temperature overheat (Not Used)
E-117
High System Water Pressure Sensor (Not Used)
E-118
Low System Water Pressure Sensor (Not Used)
E-119
System Water Pressure Switch Activated (Below 0.8 bar)
E-124
Module Temperature Too High (Auto Resetting)
E-128
Flame Extinguished During Operation (LMU Version D)
E-129
Air Supply Error. Fan not operating at correct speed (LMU Version D)
E-130
Flue Temperature Too High (Auto Resetting)
E-131
Fault With Burner
E-132
External Safety Interlock Activated (Open Circuit)
E-133
No Flame Detected After Final Ignition Attempt
E-134
Flame Extinguished During Operation (LMU Version C)
E-135
Air Supply Error Fan not operating at correct speed (LMU Version C)
E-140
LPB Segment / Address Not Recognized (Boiler Cascade Settings)
E-142
LPB Missing Partner (Boiler Cascade Settings)
E-145
Wrong Device Connected to PPS Circuit (Not Used in ProCon Configuration)
E-146 Unrecognized
Plant
Configuration
E-147
Burner Modules Not Connected (PPS Circuit Not Used in ProCon Configuration )
E-148
LPB Interface Not Configured (Boiler Cascade Settings)
E-150
General Boiler Fault
E-151
Module LMU64 Controller Malfunction
E-152
Module LMU64 Controller Parameter Programming Error
E-153
Module Control Interlocked
(The Reset button has been pressed when no fault code is present.)
E-154
Module Operating Outside of Predefined Parameters. (System Hydraulic Error.)
E-160
Fan Not Reaching Set Point
E-161
Module Combustion Fan Speed Too High
E-162
Air Pressure Switch Fault (Not Used)
E-164
Flow Switch / Pressure Switch Open (Not Used)
E-166
Air Pressure Switch Fault (Not Used)
E-180
Module Operating in Chimney Mode 100% Output
E-181
Module Operating in Commissioning Mode
E-183
Module Controller / QAA73 Room Unit in Parameter Setting Mode
