GE JT5000 Technical Service Guide

45
GE Title or job number
11/26/2013
Cooling fans Machine control f-codes F96 thru F99
The new design uses a board on the cooling fan assemblies to monitor the speed of the fan. If
the board does not see proper speed it will set a F code.
F96 indicates the UPPER fan is running slow.
F97 indicates the LOWER fan is running slow.
F98 indicates the UPPER fan is running too fast.
F99 indicates the LOWER fan is running too fast.
If the cooling fans appear to be running at proper speed, check the wiring
connections on UPPER machine control board J900. There should be 5VDC between W
pin 4 to BK pin 6. The LOWER can be checked on the same connections on LOWER
machine control 5VDC W pin 4 to BK pin 6. Signal from cooling fan board will be
checked J900 pin 5 PR to pin 6 BK on UPPER and J900 pin 5 PR/W to pin 6 BK on
LOWER machine board.

GE JT5000 Specifications

General

Brand	GE
Model	JT5000
Category	Oven
Language	English