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VL SERIES STEAMER - TROUBLESHOOTING
Pa
g
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
gg
ed.
2. Drain line obstructed or not to an open
g
ap drain.
3. Steamer not level.
4. Excessive cookin
g
compartment pressures.
A. On models equipped with the compartment pressure
re
g
ulatin
g
valve, verify the compartment pressure is 6
psi durin
g
cookin
g
. If pressure is hi
g
her then adjust the
pressure re
g
ulatin
g
valve and re-check. See
COMPARTMENT PRESSURE ADJUSTMENT” in
“SERVICE PROCEDURES AND ADJUSTMENTS”.
B. On models with out the compartment pressure
re
g
ulatin
g
valve, verify the compartment pressure is 6
psi durin
g
cookin
g
. If pressure is hi
g
her then adjust the
cyclin
g
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
g
properly.
1. Water supply not on.
2. Plu
gg
ed spray nozzle.
3. Cold water condenser solenoid inoperative or plu
gg
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
g
ed
g
asket.
3. Drain line obstructed or not to an open drain.
Steam
g
enerated inside compartment
when timer or compartment power switch
is OFF.
1. Steam
g
ate valve not fully closin
g
(clo
gg
ed, dirty or
malfunctionin
g
). See “STEAM GATE VALVE” in “SERVICE
PROCEDURES”.
Heat comin
g
on without water in boiler
(Dry firin
g
).
1. Lime scale (moist) on LLCO water level probe or probe
dama
g
ed (shorted to
g
round).
2. Retention of water in probe canister assembly.
3. Water level control malfunction.
Pressure relief valve openin
g
or leakin
g
. 1. Pressure relief valve malfunction.
2. Cyclin
g
pressure switch set to hi
g
h. See “CYCLING AND HI
LIMIT PRESSURE SWITCHES (GAS AND ELECTRIC
MODELS)” in “SERVICE PROCEDURES”.