VL SERIES STEAMER - TROUBLESHOOTING
Pa
e 87 of 88
GAS MODELS ONLY
SYMPTOM POSSIBLE CAUSES
Burner won’t li
ht. 1. Gas not on.
2. I
nition control module reset switch in the OFF position or
malfunctionin
.
3. I
nition module not receivin
power. Check i
nition module
transformer for 24VAC output to module on automatic
i
nition systems.
4. Steamer not properly
rounded and/or polarity of incomin
power is incorrect on automatic i
nition systems.
5. Low incomin
as pressure. See “GAS MANIFOLD
PRESSURE ADJUSTMENT” in “SERVICE
PROCEDURES”.
6. I
nition module malfunction.
7. Gas combination control valve malfunction.
8. Boiler not fillin
. Check fill solenoid for power, clo
in
or
malfunction.
9. Water level control malfunction. HL-3 relay not ener
izin
or contacts not closin
to power boiler fill solenoid.
10. Water too ”pure” for probes to properly conduct electricity.
11. Hi
h limit thermostat open (if equipped).
12. Hi
h limit pressure switch open.
13. Cyclin
pressure switch open or set too hi
h. Steamer is
cyclin
on hi
h limit. See “CYCLING AND HI LIMIT
PRESSURE SWITCHES (GAS AND ELECTRIC MODELS)
in SERVICE PROCEDURES”.
Burner won’t stay lit. 1. Gas pressure low. See “GAS MANIFOLD PRESSURE
ADJUSTMENT” in “SERVICE PROCEDURES”.
2. Check
as orifice for obstruction.
3. I
nition module malfunction.
