Vulcan-Hart C24EA3 208/240V PRO, C24EA5 480V BASIC Troubleshooting, Symptom, Possible Causes

MODEL C24EA - TROUBLESHOOTING

TROUBLESHOOTING

SYMPTOM		POSSIBLE CAUSES
Compartment leaks water around door.	1.	Unit not level.
	2.	Drain line obstructed or not to an open gap drain.
	3.	Door gasket damaged.
Cold water condenser not operating	1.	Solenoid (2SOL) inoperative or plugged.
properly.	2.	Lack of water supply.
	3.	Drain water thermostat stuck open.
	4.	Drain cold water condensate valve malfunction.
Steam leaks around door.	1.	Worn gasket - See DOOR section.
	2.	Damaged gasket.
	3.	Drain line obstructed or not to an open drain.
Steam generated inside cooking	1.	Cycling thermostat (2TAS) or related heat control circuitry
compartment when timer is off.		malfunction.
	2.	Relay K1 malfunction.
Steam leaking inside panels.	1.	Tank gasket not sealing.
	2.	Loose steam line.
Heat coming on without water in tank.	1.	Dirty low level cut-off probe (shorted to ground).
	2.	Contactor malfunction.
	3.	WLC- LLCO contacts stuck closed. Water level controller
		(WLC) malfunction.
Machine will not heat.	1.	Check incoming voltage.
	2.	Tank not filled.
	3.	Power switch malfunction.
	4.	Water Level Control malfunction.
	5.	Relay (K1) malfunction.
	6.	High-limit thermostat open (2TAS).
	7.	Heating element inoperative.
	8.	Limiting or regulating contactor malfunction.
	9.	Control thermostat open (2TAS).
	10.	Relay (K3) malfunction.
	11.	Water too pure for probes to properly conduct electricity.
Steamer leaks water.	1.	Loose connections in water, steam or drain lines.
Tank water level too high.	1.	Slow fill solenoid (4SOL) or fast fill solenoid (3SOL) does not
		shut off.
	2.	High level probe malfunction (open circuit).
	3.	Water level control board inoperative (WLC).
Tank does not fill.	1.	Water supply not on.
	2.	Slow fill solenoid (4SOL) or fast fill solenoid (3SOL) not being
		energized or plugged.
	3.	Water level control board malfunction (WLC).
	4.	Water level probes shorted to ground.
Timer motor does not run	1.	Relay K1-6/4 contacts not closing.
	2.	Timer malfunction.
Water running out of drain during fill.	1.	Manual drain open (Basic only).
	2.	Motorized drain valve stuck open (Professional only).
	3.	Time delay relay malfunction.
	4.	Condensate thermostat malfunction.
Door not closing properly.	1.	Door latch assembly.
	2.	Striker adjustment.
Door won’t open.	1.	Latch won’t release. Refer to DOOR LATCH ADJUSTMENT
		as outlined in DOOR.
Buzzer not operating.	1.	Timer malfunction.
	2.	Buzzer malfunction.

F25213 (May 2006) Page 50 of 52