Chamberlain MR850EVO, MR650EVO operating instructions Diagnostic Chart

16

DIAGNOSTIC CHART

Your garage door opener is programmed for self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes.

DIAGNOSTIC UP		DOWN	SYMPTOM	POSSIBLE CAUSE			POSSIBLE RESOLUTON
CODE	ARROW	ARROW
1-1	1 FLASH	1 FLASH	The garage door opener will	The Protector SystemTM is not			Check the Protector SystemTM is
			not close and the lights will	installed, connected, or			installed and aligned correctly,
			flash	wires may be cut			both LEDs are ON with no
							obstruction between the beams.
1-2	1 FLASH	2 FLASHES	The garage door opener will			TM	TM
				The Protector System wire			Check the Protector System is
			not close and the lights will	shorted or reversed			installed and aligned correctly,
			flash				both LEDs are ON with no
							obstruction between the beams.
1-3	1 FLASH	3 FLASHES	Wall mounted door control	The wires for the door control			Check the door control wiring is
			will not function	are shorted or the door			correct
				control is faulty
1-4	1 FLASH	4 FLASHES		Misaligned or		TM	TM
			The garage door opener will				Check the Protector System is
					obstructed
			not close the door and the	Protector System			installed and aligned correctly,
			lights flash				both LEDs are ON with no
							obstruction between the beams.
1-5	1 FLASH	5 FLASHES	The garage door opener clicks	Internal fault			Contact service centre
			but no movement
			The opener runs approximately	Communication error to			Contact service centre
			150-200 mm and stops and/or	travel module
			reverses