Henny Penny PFG-690 Technical Manual page 15

1-3. TROUBLESHOOTING
(Continued)
Problem
Heating of
shortening too
slow
Shortening
overheating
Oct. 2002
Cause
HEATING OF SHORTENING SECTION (Continued)
•
Supply line too small - low
gas volume
•
Improper ventilation
system
•
Burner out of adjustment
•
Programming wrong
•
Faulty PC Board
•
Faulty temperature probe
1-9
Model 690
Correction
•
Increase supply line size;
refer to installation
instructions
•
Refer to installation
instructions
•
Observe burners
•
Check gas pressure
• Clean dilution box; refer to
section 2-25
•
Clean blower wheel; refer to
section 2-26
•
Check temperature setting
in the program mode
•
Remove and replace control
panel
•
Remove and replace tempera-
ture probe