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Problem
Heating of shortening
too slow
Shortening
overheating
1-7
Cause
HEATING OF SHORTENING SECTION (Continued)
• Low or improper voltage
• Weak or burnt out element(s)
• Points in contactor bad
• Wire(s) loose
• Burnt or charred wire
connection
• Programming wrong
• Faulty PC board
• Faulty temperature probe
• Check contactor for not
opening
Correction
• Use a meter and check the
receptacle against data plate
• Check heating element(s) per
Heating Elements Section
• Check contactor per Heating
Contactors Section
• Tighten
• Replace wire and clean
connectors
• Check temperature setting
in the program mode
• Remove and replace control
panel
• Remove and replace temperature
probe
• Check faulty contactor per
Heating Contactors Section
Model 290
1103
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