Operating Instructions and Installation Instructions
ULTRAMAX PB 65 - 120
45 L290 ©MHS Boilers 13/12/2010
20.0 Reviewing LMU64 Operating Error Codes
As an extension of the Standard ERROR Codes, the LMU64 also records Operating ERROR Codes,
which can be accessed by at Service / Commissioning Engineer.
To access the Operating ERROR Codes, „Press & Hold‟ the ▲ & ▼ Buttons, for approximately 3
seconds. H 90 will appear, then use the ▲ or ▼ Buttons to reference the Parameter Line ID Number detailed
below.
Line ID
Number
Description
Comments
H700
1st Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H702 has occurred
H701
1st Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H702
1st Historical Fault – Operating Error Code
Actual Operating Code.
H703
2nd Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H705 has occurred
H704
2nd Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H705
2nd Historical Fault – Operating Error Code
Actual Operating Code.
H706
3rd Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H708 has occurred
H707
3rd Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H708
3rd Historical Fault – Operating Error Code
Actual Operating Code.
H709
4th Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H711 has occurred
H710
4th Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H711
4th Historical Fault – Operating Error Code
Actual Operating Code.
H712
5th Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H714 has occurred
H713
5th Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H714
5th Historical Fault – Operating Error Code
Actual Operating Code.
H715
Current Historical Fault – Number of Occurrences.
The number of times that this Operating Error
Code as shown in Parameter H717 has occurred
H716
Current Historical Fault – Operating Phase.
The position during the operating sequence that
the Operation Error occurred.
H717
Current Historical Fault – Operating Error Code
Actual Operating Code.
H728
1st Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H702
H729
2nd Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H705
H730
3rd Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H708
H731
4th Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H711
H732
5th Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H714
H732
Current Historical Fault – ALBATROS Error Code
The LMU64 display Error Code, relevant to
Parameter H717