Vulcan-hart C24EA3 480V BASIC User Manual download pdf (Page 50)

MODEL C24EA - TROUBLESHOOTING

F25213 (May 2006) Page 50 of 52

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

properly.

1. Solenoid (2SOL) inoperative or plugged.

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

compartment when timer is off.

1. Cycling thermostat (2TAS) or related heat control circuitry

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.

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Vulcan-hart C24EA3 480V BASIC User Manual Page 50

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