Azbil AUR450C - Self-Discharge Error Sequence

3-5
Chapter 3. OPERATION
z Start check error due to self-discharge
If an error (self-discharge) is detected during the start check and normal operation
does not resume for 10 seconds, the system is locked out. In this case, there is no
flame monitor output and the FLAME LED does not light up.
On the device, E3 (UV alarm) and P1 are displayed alternately.
-- P1 E3 / P1
POWER
SHUTTER
FLAME
ALARM
START
IG
PV
MV
K1
K2
K3
K4
K5
K6
K7
Sequence display
LockoutPre-purge
Standby Start check
(at alarm detection)
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
LED display
(Self-discharge)