Owner manual

12
Table 3 - Normal LED Sequence
LED LED STATE CONTROL STATE
All LEDs off No call for heat or no power to
appliance
Note: On a call for heat, after the motor/blower starts, the air proving switch must
close before pre-purge or trial for ignition timers can start. The Status LED may turn
on momentarily while waiting for the air pressure switch to close. If pre-purge is set
for 1 second, once the air pressure switch closes, the control will move directly to trial
for ignition without ashing the Status LED for pre-purge.
Status LED ashes slowly
(once per second) but only if
control is set up for pre-purge
of 2 seconds or more
Pre-purge or waiting period
between trials for ignition,
motor should be running
Status and MV LEDs on
continuously
Trial for Ignition, motor should
be running and ignition should
be sparking
Status, Flame and MV LEDs
all on continuously
Main ame has been proved,
Control is in run mode and will
continue in run mode until call
for heat ends
Table 4 - Additional LED Diagnostic Help
LED LED STATE CONTROL STATE
Status LED is ashing quickly,
3 times per second
Control is in lockout,
follow reset steps under
troubleshooting box “If the red
Status LED is ashing quickly”
Status,Flame and MV LEDs all
ashing
Control failure - internal error,
try resetting the control once, if
problem reoccurs, replace the
control
Status and Flame LEDs
ashing
Flame has been sensed when
ame should not be present,
follow troubleshooting under
“If the red Status and yellow
Flame LEDs are both ashing”
Status and MV LEDs on
continuously, Flame LED
ashing
Flame signal is weak, follow
troubleshooting steps under “Is
the yellow Flame LED on?”
= OFF
= ON
= FLASHING
For below charts, “Troubleshooting” &
“Troubleshooting Sequence” sections.
LED Key:
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS
FLAME
MV STATUS