VL SERIES STEAMER - TROUBLESHOOTING
Pa
e 84 of 88
TROUBLESHOOTING
ALL MODELS
WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TESTS OR
MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL
TIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST
EQUIPMENT AND REAPPLY POWER TO TEST.
SYMPTOM POSSIBLE
CAUSES
Compartment leaks water around door. 1. Drain screen clo
ed.
2. Drain line obstructed or not to an open
ap drain.
3. Steamer not level.
4. Excessive cookin
compartment pressures.
A. On models equipped with the compartment pressure
re
ulatin
valve, verify the compartment pressure is 6
psi durin
cookin
. If pressure is hi
her then adjust the
pressure re
ulatin
valve and re-check. See
COMPARTMENT PRESSURE ADJUSTMENT” in
“SERVICE PROCEDURES AND ADJUSTMENTS”.
B. On models with out the compartment pressure
re
ulatin
valve, verify the compartment pressure is 6
psi durin
cookin
. If pressure is hi
her then adjust the
cyclin
pressure switch and re-check. See “CYCLING
AND HIGH LIMIT PRESSURE SWITCHES (GAS AND
ELECTRIC MODELS)” in “SERVICE PROCEDURES
AND ADJUSTMENTS”.
Cold water condenser not operatin
properly.
1. Water supply not on.
2. Plu
ed spray nozzle.
3. Cold water condenser solenoid inoperative or plu
ed.
4. Cold water condenser thermostat malfunction or needs
adjustment.
5. No power to cold water condenser solenoid.
Steam leaks around door. 1. Compartment door not properly sealed.
2. Worn or dama
ed
asket.
3. Drain line obstructed or not to an open drain.
Steam
enerated inside compartment
when timer or compartment power switch
is OFF.
1. Steam
ate valve not fully closin
(clo
ed, dirty or
malfunctionin
). See “STEAM GATE VALVE” in “SERVICE
PROCEDURES”.
Heat comin
on without water in boiler
(Dry firin
).
1. Lime scale (moist) on LLCO water level probe or probe
dama
ed (shorted to
round).
2. Retention of water in probe canister assembly.
3. Water level control malfunction.
Pressure relief valve openin
or leakin
. 1. Pressure relief valve malfunction.
2. Cyclin
pressure switch set to hi
h. See “CYCLING AND HI
LIMIT PRESSURE SWITCHES (GAS AND ELECTRIC
MODELS)” in “SERVICE PROCEDURES”.
