14
Alarm messages related to the SAFETY CIRCUIT
These messages scroll on the display when an abnormal status of the safety circuit is confirmed.
After the post-purge time of 10 seconds, the control trips (lockout).
The message remains until the
control is reset (even after a power failure).
MESSAGE DESCRIPTION
Dipswitch #6 (3-P Prove Open To Start) is set in the Down position (Enabled). The
safety circuit (3-P) was not in the open position at start.
*
The safety circuit (3-P) did not close within 30 seconds after start.
The safety circuit opened during purge time.
The safety circuit opened during pilot trial for ignition (5 seconds).
†
The safety circuit opened during the pilot proving time (10 seconds after Pilot
Ignition.
†
The safety circuit opened during main burner trial for ignition burner firing time.
†
The safety circuit opened during burner operation.
†
Alarm messages related to the IGNITION and FLAME FAILURE
These messages scroll on the display when the control and scanner fail to prove the presence of
flame. After the post-purge time of 20 seconds, the control trips (lockout). The message remains until
the control is reset (even after a power failure).
MESSAGE
DESCRIPTION
Pilot flame not established within the 5 seconds of the pilot trial for ignition time.
Pilot flame fails during pilot proving time.
Flame failure during trial for ignition main burner.
*
Dipswitch #6 enables or disables this requirement. See “Dipswitches for Selectable Operation.”
†
Dipswitch #1 has the option to recycle the control instead of going into alarm. See “Dipswitches for Selectable Operation.”
ALARM STANDBY
3-P CIRCUIT CLOSED
ALARM STANDBY
3-P CIRCUIT OPEN
ALARM PURGE
3-P CIRCUIT OPEN
ALARM PTFI
3-P CIRCUIT OPEN
ALARM PTFI
SAFETY CIRCUIT OPEN
ALARM MTFI
3-P CIRCUIT OPEN
ALARM AUTO
3-P CIRCUIT OPEN
ALARM PTFI
IGNITION FAILURE
ALARM PTFI
FLAME FAILURE
ALARM MTFI
FLAME FAILURE
