Frymaster E55 Error Code
System interface board 2 missing. SIB board 2 connection lost or board failure. Call service.
Source: Frymaster FQ4000/M4000 Service Manual (819-7955)
Stop searching through PDFs. Our AI assistant on WhatsApp is trained on official Frymaster documentation and can diagnose this fault code and guide you through the repair in minutes.
Free tier — 10 messages/month, no credit card.
Other Frymaster Error Codes
Temperature probe failure - RTD out of range
High limit 1 exceeded - vat temp above 410°F
High limit 2 exceeded - high limit switch opened
High limit problem - vat temp above 460°F, disconnect power immediately
Failed temperature probe or controller
Frypot temperature above 410°F
Heating problem / ignition lockout
Heating failure. The heating-control latch circuit failed, or the heat contactor failed to latch.
Heating failure - blower. The air pressure switch(es) failed to close.
Heating failure - pressure switch. The air pressure switch has failed closed. Call service.
Heating failure. The fryer failed to ignite and has locked out the ignition module.
Top-off probe failure. The ATO (auto top-off) RTD reading is out of range. Call service.