AUTOFLAME Mk8 MM

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Lockout Message Description

39 Freeze Timeout MM kept in Phase Hold for more than 10minutes

 MM kept in Phase Hold during commissioning for more than 10 minutes

40 Purge Air Pressure Low Insufficient air pressure during purge

 Check option/parameter 141

 Check air pressure sensor/ air pressure switch

42 Terminal 86 Inverse Input detected on both terminals 85,86 where there

should not be, and vice versa

 Check option/parameter 122

 Check wiring and voltages on terminals 85, 86

43 Terminal 85/86 Fault Hardware fault on terminals 85/86

 Check wiring and voltages on terminals 85, 86 and contact Autoflame

44 Proving Circuit Fail T52 Loss of input on terminal 52; MM must see input at all

times from position to purge to post purge

 Check wiring on terminal 52

45 No Proving Circuit Set Secondary proving timeout elapsed

 Check option/parameter 157

 Check wiring on terminal 52

46 Proving Interlock Timeout Purge interlock timeout elapsed

 Check option/ parameters 155 and 158

 Check wiring on terminal 81

52 High IR Ambient Flame detected when there should not be

 Visually check flame and check IR scanner

 Call a certified Commissioning Engineer to investigate

53 IR Comms Lost Loss of comms with IR scanner

 Check wiring and screen on terminals 29, 30, 48 and 49

 Check that the IR scanner is not removed from the magnetic ring socket

54 Watchdog Long X A Internal check failed