ERROR CODES Continued, Display, Cause

Model 691

4-2. ERROR CODES (Continued)

DISPLAY	CAUSE	PANEL BOARD CORRECTION
“E-41”	Programming	Turn switch to OFF position, then back to ON; if display
	failure	shows “E-41”, the control should be re-initialized (see Pro-
		gramming section); if the error code persists, replace the
		control panel

“E-46”	Eeprom memory	Turn switch to OFF position, then back to ON; if display
	write error	shows “E-46”, the control should be re-initialized (see Pro
		gramming section); if the error code persists, replace the
		control panel

“E-47”	A-to-D failure	Turn switch to OFF position, then back to ON; if display
	(Analog converter	shows “E-47”, the control should be re-initialized (see Pro-
	chip)	gramming section); if the error code persists, replace the
		control panel

“E-48”	Input system	Turn switch to OFF position, then back to ON; if display
	error (CPU can’t	shows “E-48”, the control should be re-initialized (see Pro-
	read buttons	graming section); if the error code persists, replace the control
	digital inputs)	panel

“E-70B”	Faulty power	Have power switch checked, along with its wiring; have
	switch, or switch	Input/Output board replaced if necessary
	wiring; faulty
	I/O board

“E-92”	24-VAC fuse	Have components, in 24-volt circuit (I.E., hi limit, drain switch)
	on I/O board open	checked for shorts

803

4-3