Dungs MPA22 - Service Mode: Electronic Gas Firing; Accessing Service Mode and Data Displayed

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0006081263_200705
Code Meaning
.............................................................
04H ...................................................... Internal device fault
05H ...................................................... Internal device fault
06H ...................................................... Internal device fault
07H ...................................................... Internal device fault
09H ...................................................... Internal device fault
10H ...................................................... Internal device fault
11H ......................................................Internal device fault
12H ...................................................... Internal device fault
13H ...................................................... Internal device fault
14H ...................................................... Internal device fault
15H ...................................................... Internal device fault
20H ...................................................... Air pressure switch is not in "off" position
21H ...................................................... Air pressure switch failure
22H ...................................................... Gas pressure switch failure
25H ...................................................... No ame after safety period elapses
26H ...................................................... Extraneous light
27H ...................................................... Flame failure during operation
29H ...................................................... Internal device fault
2AH...................................................... Internal device fault
2BH...................................................... Short circuit in photoresistor or internal fault
2CH .....................................................Internal device fault
30H ...................................................... Internal device fault
31H ...................................................... Internal device fault
32H ...................................................... Internal device fault
33H ...................................................... Internal device fault
34H ...................................................... Internal device fault
Error messages