Troubleshooting; Possible Problems And Suggested Solutions; Table 11. Possible Problems And Suggested Solutions - Despatch LCC Series Owner's Manual

C244, 320207, REV B

8.1. Possible Problems and Suggested Solutions

Equipment which operates for long periods of time may develop problems. Table
11 lists possible problems and suggested solutions. If you have a problem not
listed and a question about how to handle it, contact ITW EAE- Despatch at our
toll-free Help Line: 1-800-737-8110.
Danger!
Electrical panels contain high voltage. Disconnect and lock out
the power supply before working inside any electrical panels.
Failure to lock out the power supply can result in death or injury.
Danger!
Table 11 lists troubleshooting steps that must be performed by a
qualified electrician or electrical technician trained on electrical
safety and the use of personal protective equipment.

Table 11. Possible Problems and Suggested Solutions.

Difficulty Probable Cause
No power
Burned out heater
Temperature controller
malfunction
Loose wire connections
Failure to heat
Heater supply
or heats up to
contactor/relay failure
only 35-50⁰C
Door switch failure (if
installed)
Airflow switch
malfunction
Purge timer failure (if
installed)
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LCC_LCD1-16/51 Oven Owner's Manual

8. TROUBLESHOOTING

Suggested Remedy
Check power source and/or oven and wall fuses
Replace heater (See Section 7.16)
Replace controller
Disconnect power and check connections be-
hind control panel
Replace heater contactor or SCR
Replace door switch
Check recirculation and exhaust fan rotation and
pressure switch setting
Replace timer