Fri-Jado HOT DELI 3, Руководство по обслуживанию

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TROUBLESHOOTING
Service Manual Hot Deli HD3/4/5/7 form 9123549 rev.03/2017
Page 42
TROUBLESHOOTING
HOT DELI 3/4/5/7 ESSENTIAL (FULL SERVE) & SELF SERVE
Symptom Possible causes
No power to warmer controls. 1. Main breaker open.
2. Fuse F1 burned.
3. Tumble switch malfunction.
4. Wiring loose.
No indication on electronic thermostat. 1. Tumble switch heating malfunction.
2. Fuse F1 burned.
3. Electronic thermostat malfunction.
4. Wiring loose.
Display does not reach desired tempera-
ture. 1. Incorrect line voltage.
2. PTC-1000 sensor malfunction.
3. Heater(s) inoperative.
4. Blower motor(s) inoperative.
5. Contactor inoperative.
6. Check parameters electronic thermostat.
Display temperature gets too high. 1. PTC-1000 sensor malfunction.
2. Contactor inoperative.
Ceramic element(s) do not work. 1. Tumble switch ceramics malfunction.
2. Ceramic element(s) inoperative.
3. Wiring loose.
No lighting. 1. Incorrect line voltage.
2. Tumble switch lighting malfunction.
3. Wiring loose.
4. Bad contact on lamp holders.