Troubleshooting Guide
LB - Low Battery Condition
Check that the batteries are connected in the battery box, current units (M29T2106) are sold with the batteries disconnected. Measure the batteries under load (should not drop below 22V DC), check the transformer (26-27VAC). *Should the mains fail, a ...
E9 - “DOSS” Sensor Fault
This error will appear when no feedback is received from the “DOSS” sensor. This could be due to a bad connection between the Sensor and the PCB (Check the 5-Way connector to ensure proper connection). Should the sensor be connected it is possible ...
E8 - Drive Fault
This error will appear when the operator’s 24V DC motor fails to move, this could be due to a bad connection between the 24V motor and PCB, Faulty 24V Motor or a Faulty drive circuit on PCB.
How to troubleshoot a E7 Error on your SDO4 Garage Operator
If you are encountering an E7 error on your standard SDO4, it typically indicates that the operator is not receiving enough power. Here are the common issues and steps to troubleshoot this error: This error may be due to one of the following issues: ...
E6 - Collision Detected
This error will appear if the operator as encountered an obstruction during the open or close cycle. This can be caused by friction in the guide rails and improper spring tension. If no obstructions found, set he force offset higher by pressing the ...
E5 - Current/Voltage Sensor
The door is too heavy for current force setting, increase the force offset value by using the “+” button in standby mode to F5. Should the error still appear, enable the Full Power (Fp) setting in the menu structure. *Limits Setup will have to be ...
E4 - Run Time Exceeded
The maximum run time for the operator is adjustable to 30 seconds or 60 Seconds. In the event that the motor runs longer than the run time, the display will show “E4” and the buzzer will beep five times. Check that the correct door type has been ...
E3 - Door Unbalanced
This error will appear if the Door Service Monitor detects that the door is not balanced and the door should be serviced. It is recommended to re-tension the balancing springs.
E2 - Safety Strip Active
This error does not apply to ZA operators.
E1 - Safety Beams Active
If this error appears the safety beams are obstructed, this will display as soon as the beams are obstructed (broken). Should the safety beams not be unobstructed check the alignment, wiring and jumper (on 2W for two wire and 4W for four wire). ...