Bernard Controls SQX Series User Manual

37
PROBLEM CAUSE REMEDY
The display is off Actuator power supply Check power supply voltage (terminals L1, L2 and L3 for 3-phase supply).
The voltage value is shown on the nameplate.
Blown fuse Check fuse and replace if required (the fuse is fitted on the transformer).
No response Display in menu mode Set local / remote selector to off and then on local to change to command
mode (display: %position)
IR link active Commands cannot be made using the selectors if an IR link is active (IR
symbol on the display). Turn off the infrared link.
Motor thermal switch trip A black square is shown at the bottom centre of the display to indicate that
an alarm has been activated. Go to menu / check / alarms to see whether a motor overheating alarm is present. The actuator will be available again when the motor has cooled down
No response and the key or ESD symbol is displayed
Local command override or ESD command active
Check Aux. command 1 or 2 options in the command menu to see whether a command override or emergency command has been set up and check the status (open/closed) of the contact used to perform this remote command. Then check the connection on the client terminal to see whether it corres- ponds to a command override or emergency command. For example, if the configuration setting is on aux. command 1, loc cmd inhibit and contact (o)= inhibit, a remote contact will have to be established on terminal 11 to cancel the override.
The actuator operates in remote mode, but not in local
Local / remote selector on remote or off (stop)
Switch the local / remote selector to the local position.
Local command override active (key symbol displayed) or local /remote selection performed remotely
Check Aux. command 1 or 2 options in the command menu to see whether a command override has been set up and check the status (open/closed) of the contact used to perform this remote command. Then check the connection on the client terminal to see whether it corres- ponds to a command override. For example, if the configuration setting is on aux. command 1, loc cmd inhibit and contact (o)= inhibit, a remote contact will have to be established on terminal 11 to cancel the override.
Menu cannot be accessed Selector on remote or off, or local
command override active
The menu can only be accessed via the selectors in local mode, i.e. with the selector on local and no override on local control. Set the selector on local and carry out checks on aux. commands 1 & 2 indicated above.
32 TROUBLESHOOTING
32.1
INTELLI+
If there is any doubt about the operation of the system, first set the local / remote selector in the
local position and then operate the open and close controls.

Bernard Controls SQX Series Specifications

General

Brand	Bernard Controls
Model	SQX Series
Category	Controller
Language	English