Blodgett BCX14G Troubleshooting Manual page 69

Call for Heat
(Pg 3)
Self Check
(Pg 4)
(LED Flashes once)
Pre-purge
(Pg 5)
Trial For Ignition
(Pg 5+6)
(50 Seconds Max)
Rectification
(Pg 7)
MV Operation
(Pg 8)
Recycle
(Pg 9)
24v AC is
received at
THS 2
0μA at Sense 4
(No Pilot Lit)
Module Delays
for 4 Seconds
24v AC Out at PV
and 15,000 Volts
Out from Spark
Terminal
Less than .3μA at
Sense 4 for 50
.3μA or greater
Seconds = Lockout:
at Sense 4
LED Flashes 3 Code
(Pg 12)
Spark output is ended
and 24v AC is Output
from MV Until Call for
Heat Ends or
Rectification is lost
If Sense 4 Drops below
.3μA, PV and MV output
is stopped, the module
waits 15 seconds and
restarts Trial for Ignition
69
.3μA or greater at
Sense 4 = Lockout:
LED Flashes 2 Code
(Pg 11)
2