Maycor Fault Codes

Fault Code

Condition/Description

Resolution

F1

Watchdog on board.                Touch membrane defective

To determine which component is at fault, disconnect ribbon strip. If no fault code, replace membrane, otherwise repair electronic range control (ERC)

F2

Oven too hot

Bad relay board (if present) or bad sensor

F3 F4

Open or shorted sensor

Replace sensor

F5

Hardware and watchdog
circuits disagree

Repair electronic range control (ERC)

F6

Missing AC signal

Check for proper voltage

F7

Function key shorted or stuck button

Replace touch pad or repair electronic range control (ERC) or unstick button

F8

A/D supervisory

Repair electronic range control (ERC)

F9

Door latch supervisory

Check door lock circuit or replace clock

F10

Function key stuck

Replace touch pad or repair electronic range control (ERC)