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TROUBLESHOOTING GUIDE
SYMPTOM
No power when power switch is turned on.
Fryer will not heat.
Fryer continues to heat.
Fryer heats, but will not reach desired
temperature.
Pressure too high or too low. Pressure fails to
release.
POSSIBLE CAUSES
1. Tripped breaker, open fuse, check line voltage
at input terminals; should be 208-240 V.
2. Check for loose connections.
3. Problem with power switch.*
4. Problem with high-limit switch.*
5.
One or more hood filters missing or loose (models
with optional exhaust hood).
6. Hood jumper missing or loose (models without
optional exhaust hood).
1. Check electrical input connections.*
2. Check for open thermocouple.*
3. Problem with controller.*
4. Problem with contactor.*
1. Thermocouple leads reversed or shorted.*
2. Problem with controller.*
3. Problem with contactor.*
1.
Check oil temperature with thermometer. If
elements turn off too soon, replace thermocouple.*
2. Problem with controller.*
1. Solenoid exhaust line restricted or plugged. See
WEEKLY CLEANING procedure.
2.
Pressure-relief valve plugged. Remove and
clean. Replace O-Ring if required.
3.
Check for 208-240 V at solenoid. Check for
looseconnection, or problem with controller.*
4. Improper pressure-relief valve setting.*
*Contact your local Hobart service office.