SERVICE
8
L22-236 Rev. 2 (06/11)
Problem
Probable Causes
Corrective Actions
High temperature limit has tripped.
Allow appliance to cool and reset
high temperature limit. Check and
replace if defective
Ignition Module has locked out.
Turn fryer off and back on again to
reset ignition module. If lockout
recurs, check for proper pilot flame
and module operation. Replace if
defective.
Low gas pressure
Check regulated gas pressure at
burner manifold. Verify pressure
matches dataplate information.
Adjust as necessary.
Computer Controller
shows “IGNITION
FAILURE” and
alarms (cont.)
Improper Flue Baffle Setting
Adjust flue baffle to provide proper
burner operation.
Excessive Oil Level
Oil level should never exceed “MAX”
line. Drain extra oil from tank.
Oil added during Recovery Test.
Repeat heat up without adding oil
during test and compare results.
Quick disconnect not properly
connected.
Verify quick disconnect is properly
seated.
Low gas pressure
Check regulated gas pressure at
burner manifold. Verify pressure
matches dataplate information.
Adjust as necessary.
Improper Flue Baffle Setting
Adjust flue baffle to provide proper
burner operation.
Excessive Recovery
Time; (Recovery
Time exceeds 2:25
Standard)
Burners require cleaning.
Remove and clean burners.
Temperature Calibration
Refer to McDonald’s PM Card
FR014.
Oil Temperature is
hotter, or colder than
shown by Computer
Controller
Defective Temperature Probe
Contact a qualified service
technician.
Blue drain valve is not completely
closed.
Close blue drain valve handle.
Computer Controller
displays “DRAINING”
or “TURN OFF”
Improperly adjusted or defective
drain switch
Check and Adjust/Replace as
needed.
Computer Controller
displays “PROBE
FAILURE”
Open or shorted temperature probe Check and replace if defective.
