Honeywell DBC2000 Series - NORMAL OPERATION PROCEDURES; Operation Sequence Overview; Understanding Indicator LED Status

ENS7003R0 KO06 2010
Error Confirmation
Flame
Failure
Post-Purge
Lockout
20 SEC
RUN
BLOWER
IGNITION TR
PILOT VALVE
MAIN VALVE
ALARM
HIGH
LOW
DAMPER
AIR FLOW SW
FLAME SIGNAL
POWER
PRE/POST-PURGE
IGNITION TRIAL
PILOT ONLY
M-TRI/M-STA
RUN
FLAME
ALARM
I
N
D
I
C
A
T
I
O
N
L
O
A
D
Fig. 7: Flame failure during run period
Error Confirmation
Power SW ON
Lockout
BLOWER
IGNITION TR
PILOT VALVE
MAIN VALVE
ALARM
HIGH
LOW
DAMPER
AIR FLOW SW
FLAME SIGNAL
POWER
PRE/POST-PURGE
IGNITION TRIAL
PILOT ONLY
M-TRI/M-STA
RUN
FLAME
ALARM
I
N
D
I
C
A
T
I
O
N
L
O
A
D
Fig. 8: When false flame signal is generated during standby