Henny Penny PFG-691 Technical Manual page 15

1-3. TROUBLESHOOTING (Continued)
Problem
HEATING OF SHORTENING SECTION (Continued)
Heating of
shortening too
slow
Shortening
overheating
Sept. 2004
Cause
•
Supply line too small; low
gas volume
Improper ventilation
•
system
Improper air flow to burners
•
•
Programming wrong
Faulty PC Board
•
•
Faulty temperature probe
1-9
Model 691
Correction
Increase supply line size
•
Refer to installation
instructions
•
Refer to installation
instructions
•
Observe burners
•
Check gas pressure
•
Check blower for resriction of
airflow
•
Check temperature setting
in the program mode
•
Remove and replace control
panel
•
Remove and replace tempera-
ture probe