Vulcan-Hart VL2GPS Boiler User Manual


 
VL SERIES STEAMER - TROUBLESHOOTING
SYMPTOM POSSIBLE
CAUSES
Pa
g
e 85 of 88
Boiler base will not heat or build
pressure.
1. Check incomin
g
volta
g
e.
2. Boiler not filled - check fill solenoid for power, clo
gg
in
g
or
malfunction.
3. Water Level Control malfunction. HL-3 relay not ener
g
izin
g
or contacts not closin
g
to power boiler fill solenoid.
4. Water too “pure” for probes to properly conduct electricity.
5. Contactor malfunction (electric only).
6. Heatin
g
element inoperative (electric only).
7. Cyclin
g
pressure switch open or set too hi
g
h. Steamer is
cyclin
g
on hi
g
h limit.
8. Hi
g
h limit thermostat open.
9. Problem with auto blowdown timer (older models).
10. Power switch malfunction.
11. Pressure reducin
g
valve malfunction or needs cleaned
(direct or re
g
enerated models only).
12. Low or no steam supply to steamer (direct or re
g
enerated
models only).
Steam output low or slow cookin
g
. 1. Steam
g
ate valve not fully openin
g
or blocked.
2. Cyclin
g
pressure switch malfunction or needs adjustment.
3. Steam header line (supply) blocka
g
e.
4. Heavy amount of condensate in the pressure controls steam
supply line.
5. Pressure relief valve leakin
g
.
6. Steam supply lines leakin
g
.
Boiler leaks water. 1. Loose water, steam or drain line connections (top or base).
2. Boiler hand hole
g
asket not sealin
g
.
3. Leak at
g
au
g
e
g
lass.
Boiler fill solenoid cyclin
g
to frequently. 1. LL probe lime scaled over (dry) or dama
g
ed and not sensin
g
water.
2. Water level control malfunction.
Boiler water level too hi
g
h. 1. Fill solenoid does not shut off.
2. Hi
g
h level probe lime scaled over (dry) or dama
g
ed and is
not sensin
g
water (open circuit).
3. Water level control malfunction. HL-3 relay not de-ener
g
izin
g
or contacts not openin
g
.
Boiler does not fill or slow to fill. 1. Water supply not on or pressure too low.
2. Line strainer clo
gg
ed.
3. Fill solenoid not malfunctionin
g
or plu
gg
ed.
4. A Hi
g
h pressure pocket in the supply line to the boiler causes
the fill solenoid valve not to open. See ”BOILER NOT
FILLING WITH WATER” in “SERVICE PROCEDURES AND
ADJUSTMENTS”.
5. Water level control malfunction. HL-3 relay not ener
g
izin
g
or
contacts not closin
g
to power boiler fill solenoid.