© MHG Heating Ltd
33
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web www.mhgheating.co.uk
010517
5531
Pump Speed Max
See 5530 - 100
100
%
5537
Starting Speed
---/0
– 100
100
%
5550
Aqua Booster
No, Yes, Yes WO gradient detection
No
Fault
6700
Message
No error, Error 1…….
No Error
-
6705
Internal value of diagnostic
code
-
6706
Current value of lockout phase
-
6710
Reset alarm
No, Yes
No
-
6740
Flow temp 1 alarm
----/10
– 240
----
Min.
6741
Flow temp 2 alarm
----/10
– 240
----
Min.
6742
Flow temp 3 alarm
----/10
– 240
----
Min.
6743
Boiler tamp alarm
----/10
– 240
----
Min.
6745
DHW charging alarm
----/1
– 48
----
H
6800
History 1
0
– 65535
-
-
6803
Error code 1
0
– 65535
No error
-
6805
Internal diagnostic code 1
0
– 255
-
-
6806
Burner control phase 1
-
-
6810
History 2
0
– 65535
-
-
6813
Error code 2
0
– 65535
No error
-
6815
Internal diagnostic code 2
0
– 255
-
-
6816
Burner control phase 2
-
-
6820
History 3
0
– 65535
-
-
6823
Error code 3
0
– 65535
No error
-
6825
Internal diagnostic code 3
0
– 255
-
-
6826
Burner control phase 3
-
-
6830
History 4
0
– 65535
-
-
6833
Error code 4
0
– 65535
No error
-
6835
Internal diagnostic code 4
0
– 255
-
-
6836
Burner control phase 4
-
-
6840
History 5
0
– 65535
-
-
6843
Error code 5
0
– 65535
No error
-
6845
Internal diagnostic code 5
0
– 255
-
-
6846
Burner control phase 5
-
-
6850
History 6
0
– 65535
-
-
6853
Error code 6
0
– 65535
No error
-
6855
Internal diagnostic code 6
0
– 255
-
-
6856
Burner control phase 6
-
-
6860
History 7
0
– 65535
-
-
6863
Error code 7
0
– 65535
No error
-
6865
Internal diagnostic code 7
0
– 255
-
-
6866
Burner control phase 7
-
-
6870
History 8
0
– 65535
-
-
6873
Error code 8
0
– 65535
No error
-
6875
Internal diagnostic code 8
0
– 255
-
-
6876
Burner control phase 8
-
-
6880
History 9
0
– 65535
-
-
6883
Error code 9
0
– 65535
No error
-
6885
Internal diagnostic code 9
0
– 255
-
-
6886
Burner control phase 9
-
-
6890
History 10
0
– 65535
-
-
