Azbil AUR450C - Ignition Failure Sequence

3-6
Chapter 3. OPERATION
z Ignition failure
If ignition is not detected after the ignition trial time period, the system is locked
out and an alarm is output.
On the device, E4 (ignition failure) and P2 are displayed alternately.
-- P2 E4 / P2
K7
K1
K2
K3
K4
K5
K6
POWER
SHUTTER
FLAME
ALARM
START
IG
PV
MV
Pre-purge Standby Start
check
Ignition trial Lockout
Power supply
Burner start contacts
Interlock
Flame signal
Input
Relay output
Ignition transformer
Interrupted pilot valve
Intermittent pilot valve
Main valve
Flame monitor output
Alarm output
Load output
Sequence display
LED display
P1