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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
Compartment leaks water around door.
Cold water condenser not operating
properly.
Steam leaks around door.
Steam generated inside compartment
when timer or compartment power switch
is OFF.
Heat coming on without water in boiler
(Dry firing).
Pressure relief valve opening or leaking.
VL SERIES STEAMER - TROUBLESHOOTING
TROUBLESHOOTING
ALL MODELS
1.
Drain screen clogged.
2.
Drain line obstructed or not to an open gap drain.
3.
Steamer not level.
4.
Excessive cooking compartment pressures.
A.
On models equipped with the compartment pressure
regulating valve, verify the compartment pressure is 6
psi during cooking. If pressure is higher then adjust the
pressure regulating valve and re-check. See
COMPARTMENT PRESSURE ADJUSTMENT" in
"SERVICE PROCEDURES AND ADJUSTMENTS".
B.
On models with out the compartment pressure
regulating valve, verify the compartment pressure is 6
psi during cooking. If pressure is higher then adjust the
cycling pressure switch and re-check. See "CYCLING
AND HIGH LIMIT PRESSURE SWITCHES (GAS AND
ELECTRIC MODELS)" in "SERVICE PROCEDURES
AND ADJUSTMENTS".
1.
Water supply not on.
2.
Plugged spray nozzle.
3.
Cold water condenser solenoid inoperative or plugged.
4.
Cold water condenser thermostat malfunction or needs
adjustment.
5.
No power to cold water condenser solenoid.
1.
Compartment door not properly sealed.
2.
Worn or damaged gasket.
3.
Drain line obstructed or not to an open drain.
1.
Steam gate valve not fully closing (clogged, dirty or
malfunctioning). See "STEAM GATE VALVE" in "SERVICE
PROCEDURES".
1.
Lime scale (moist) on LLCO water level probe or probe
damaged (shorted to ground).
2.
Retention of water in probe canister assembly.
3.
Water level control malfunction.
1.
Pressure relief valve malfunction.
2.
Cycling pressure switch set to high. See "CYCLING AND HI
LIMIT PRESSURE SWITCHES (GAS AND ELECTRIC
MODELS)" in "SERVICE PROCEDURES".
Page 84 of 88
POSSIBLE CAUSES
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