ER SERIES FRYER SERVICE MANUAL SUPPLEMENT - TROUBLESHOOTING
F24696 (May 2001) Page 50 of 56
TROUBLESHOOTING
SOLID STATE CONTROL
SYMPTOM POSSIBLE CAUSES
Fryer does not heat. 1. Power switch OFF or inoperative.
2. Main circuit breaker(s) OFF or the fryers internal circuit
breaker(s), if applicable, OFF.
3. Control circuit fuse 1FU or 2FU OPEN.
4. Transformer 2T inoperative.
5. Drain valve switch malfunction (if installed).
6. Malfunctioning heat control relay R1 (full vat or right side
split vat) or R2 on left side split vat only.
Ventilator OFF, power switch ON, power light
ON.
1. Ventilator hood circuit breaker OPEN.
2. Interlock wiring OPEN.
3. Power switch inoperative.
No heating light, power light ON. 1. Temperature control set too low or not calibrated.
2. Heating light inoperative.
3. Contactor(s) malfunction.
4. Control board malfunction.
No heating light, power light ON, trouble light
and first and second high limit lights ON.
1. Low oil.
2. First high limit inoperative (control board).
3. Second high limit OPEN or tilt switch OPEN or tilt switch
malfunction.
4. Contactor(s) malfunction.
5. Control board malfunction.
Excessive time to melt shortening
(more than 45 minutes).
1. Melt cycle timing incorrect (control board).
2. Heating elements malfunctioning.
3. Supply power incorrect voltage.
Fryer shuts down on first high limit and first
high limit light ON.
1. Low oil.
2. Control not calibrated.
3. Contactor(s) malfunction.
4. Control board malfunction.
Fryer shuts down on second high limit, power
light ON, no first high limit light and second
high limit light ON.
1. Low oil.
2. First high limit "light" inoperative.
3. Second high limit OPEN or tilt switch OPEN or tilt switch
malfunction.
4. Contactor(s) malfunction.
5. Control board malfunction.
Thermostat out of calibration by more than
25 F.
1. Probe touching element.
2. Probe malfunction.
3. Control board malfunction.
Light(s) not ON when required. 1. Light inoperative.
2. Wiring problem.
