AUTOFLAME Mk8 MM User Manual

19 Errors & Lockouts
Mk8 MM Manual Page | 375
19.2 Lockouts
Lockouts occur when the MM detects a fault with the burner operation such as VPS, gas/air pressure sensor
and flame scanners. The lockout must be cleared and investigated on the MM.
Lockout
Message
Description
1
CPI Input Wrong State
Proof of closure switch opened during ignition sequence
• Check wiring on terminal 55
• Check proof of closure switches
2
No Air Proving
No air pressure during start/ firing
• Check wiring on terminal 54
• Check air pressure switch
• Check air pressure sensor
• Check air pressures during running
3
Ignition Output Fault
Voltage detected when output is off (and vice versa)
•
Check wiring and voltage on terminal 63
4
Motor Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 58
5
Start Gas Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 59
6
Main Gas 1 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 60
7
Main Gas 2 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 61
8
Vent Valve Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 62
9
Failsafe Relay (Check F1)
Voltage detected when output is off (and vice versa)
•
Check wiring and voltage on terminal 57
• Check fuse 1 (6.3A T) and wiring on terminals 50 – 64
10
Simulated Flame
Flame is present when it not should be
• Isolate gas/ oil immediately
• Call a certified Commissioning Engineer to investigate
• If this lockout occurs during shutdown a post-purge may be required for after burn
11
VPS Air Proving Fail
Leak detected during ‘air proving’ part of VPS
• Check main fuel valve
• Call a certified Commissioning Engineer to investigate
12
VPS Gas Proving Fail
Leak detected during ‘gas proving’ part of VPS
• Check option/parameter 133
• Check 2
nd
main gas valve and vent valve
• Check pilot valve if using single valve pilot
• Isolate gas and call a certified Commissioning Engineer to investigate
13
No Flame Signal
No flame detected during ignition/ firing
• Visually check flame
• Check the flame scanner
• Call a certified Commissioning Engineer to investigate
14
Shutter Fault
UV signal detected during shutter operation on self-check
• Check wiring on terminals 21 and 22
• Check UV scanner type and check option/ parameter 110 is set accordingly
15
NO CPI Reset
Proof of closure switch not made after valves closed
• Check wiring on terminal 55 and check proof of closure switches

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English