Topens CASAR HJ4021, User Manual

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The opener does not run. LED
display “E1” then back to “--”.
1. The limit position has not been set. Please set the limit position refer
to the chapter “setting of the control board” in the manual.
Gate moves a little and then
reverse or stop.
1. The stall force is too small to move the gate. Adjust the stall force to a
higher level.
2. Disconnect the gate opener from the gate and check that whether the
gate swing operates freely without any binding.
Gate does not close.
1. Make sure the photocell beam is not blocked if the photocell is used.
2. Check the control board. Replace the control board if necessary.
Gate opens automatically, but
does not close automatically. 1. Check the connection of the actuator. Connection of the actuator is
different between “Pull to open” and “Push to open”.
Motor is running but the gate
does not move.
1. Ensure that the clutch for manual release is in the lock position.
2. Check if the clutch is broken.
3. Check if the gear of the motor is worn.
The Moving Rod is slipping at
its fully extended position and
won’t retract.
Gently push Moving Rod or Gate towards the motor to engage the
Screw and Nut.
Have a quick check of voltage and continuity. Use caution when checking high voltage terminals.