TROUBLESHOOTING
Page 19
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
TROUBLESHOOTING
HOT DELI TWO TIER 3/4/5/7
Symptom
Possible causes
No power to warmer controls.
1. Main breaker open.
2. Fuse F1or F2 burned.
3. Tumble switch malfunction.
4. Wiring loose.
No indication on electronic thermostat.
1. Tumble switch heating malfunction.
2. Fuse F1 or F2 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. Contactor inoperative.
2. Ceramic element(s) inoperative.
3. Wiring loose.
No lighting.
1. Incorrect line voltage.
2. Tumble switch malfunction.
3. Bad contact on lamp holders.
4. Lamp malfunction.
5. Electronic ballast malfunction.
6. Wiring loose.
