AUTOFLAME Mk8 MM User Manual

19 Errors & Lockouts
Mk8 MM Manual Page | 378
Lockout
Message
Description
67
Gas Sensor Comms
Signal lost from gas pressure sensor
• Check wiring and screen on terminals 31 – 34
68
Gas Sensor Type
Internal fault
• Contact Autoflame approved local tech centre
69
Gas Sensor Fault
Internal pressure sensor fault
• Contact Autoflame approved local tech centre
70
UV Pot Fault
Internal UV scanner fault
• Contact Autoflame approved local tech centre
71
Air Sensor Comms
Signal lost from air pressure sensor
• Check wiring and screen on terminals 31 – 34
72
Air Sensor Type
Internal fault
• Contact Autoflame approved local tech centre
73
Air Sensor Fault
Internal pressure sensor fault
• Contact Autoflame approved local tech centre
74
Air Sensor Zero
Air pressure is more than 5mbar from sensor’s zero value
• Check air pressure sensor value during VPS
75
Air Sensor Signal High
Air pressure is above 400mbar
• Check Autoflame approved local tech centre
76
Air Sensor Error Window
Air pressure outside of these limits for 3 seconds
•
Check air pressure
• Check option/parameter 147
77
Wait Air Switch Timeout
Voltage has not been reset for 2minutes
• Check air pressure sensor value during VPS
• Check voltage has been reset on terminal 54 within 2minutes before run to purge
• Check wiring and voltage on terminal 54
78
Gas Proving Fail High
Gas pressure too high during VPS
• Isolate gas
• Check 1
st
main valve and vent valve
• Check option/ parameters 133 and 134
• Call a certified Commissioning Engineer to investigate
79
FSR Test 1C
Hardware fault
• Contact Autoflame approved local tech centre
80
Timeout on Reaching Purge
Time set in option/parameter 124 has elapsed
• Check option/parameter 124
81
Oil Pressure Sensor Fault
No comms received from oil pressure sensor
• Check wiring and screen on terminals 48, 49
82
Purge Pressure Proving Input
Input on T81 read high during relay test phases
• Input has been made before the blower starts; it should only be made continuously during purge.
• Check wiring on terminal 81.
83
Main Gas 3 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 64
84
Main Gas 4 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 83
85
Vent Valve 2 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 84
86
Gas Sensor 2 Comms
Signal lost from gas pressure sensor
•
Check wiring and screen on terminals DT+, DT-, DP- and DP+ on the MM expansion board

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English