
Fault Finding & Troubleshooting Guide
If your roller shutter, industrial door, or security system isnβt working correctly, there are some common faults that can often be identified quickly.
This guide covers typical issues across our main product range, along with practical checks you can carry out safely. If the issue cannot be resolved, our repair team is on hand to help.
Roller Shutters - Common Faults
Shutter not responding (no movement)
Shutter not responding (no movement)
Possible causes:
- No power supply
- Faulty control unit
- Blown fuse or isolator switched off
What to check:
- Confirm power is reaching the unit
- Check isolator switch is on
- Look for any obvious electrical damage
Shutter stuck open or closed
Shutter stuck open or closed
Possible causes:
- Motor failure
- Curtain jammed or misaligned
- Lock engaged (manual shutters)
What to check:
- Ensure locks are disengaged
- Check for visible damage to slats or guides
- Listen for motor noise when operating
Shutter stops halfway
Shutter stops halfway
Possible causes:
- Obstruction in guides
- Limit settings incorrect
- Safety edge activated
What to check:
- Remove any debris from guides
- Check for damaged slats
- Reset and try again
Unusual noise during operation
Unusual noise during operation
Possible causes:
- Worn components
- Lack of lubrication
- Misalignment
Recommendation:
Stop using the shutter and arrange a service to prevent further damage.
Remote control not working
Remote control not working
Possible causes:
- Flat battery
- Receiver fault
- Signal interference
What to check:
- Replace battery
- Try alternative control (key switch or panel)
GfA Control Panels β Common Faults
Control panel showing error codes
Control panel showing error codes
Possible causes:
- Safety device triggered
- Wiring fault
- Motor overload
Recommendation:
Refer to the specific error code manual. If unclear, contact us with the code for diagnosis.
Door only operates in hold to run mode
Door only operates in hold to run mode
Possible causes:
- Safety edge fault
- Photocell issue
What to check:
- Inspect safety devices for damage
- Check alignment of photocells
Door not closing fully
Door not closing fully
Possible causes:
- Limit settings incorrect
- Obstruction detected
- Wireless Safety Edge Battery Low
What to check:
- No obstructions in the way
- Press the Down Button on the panel - Keep finger pressed.
Intermittent operation
Intermittent operation
Possible causes:
- Loose wiring
- Failing Control Board
- Remote Control Signal faint
Emergency stop engaged
Emergency stop engaged
Simple but common issue:
Check emergency stop buttons are released and reset.
FCP03 Fire Control Panels β Common Faults
Panel showing fault warning
Panel showing fault warning
Possible causes:
- Battery fault
- Connection issue to fire alarm
Recommendation:
Do not ignore warnings. Fire shutters are a safety critical system.
Shutter deploying unexpectedly
Shutter deploying unexpectedly
Possible causes:
- Fire alarm signal triggered
- Wiring fault
Battery backup failure
Battery backup failure
Possible causes:
- Battery end of life
- Charger fault
No response during fire alarm test
No response during fire alarm test
Possible causes:
- Incorrect wiring
- Panel fault
Audible alarm or flashing fault indicators
Audible alarm or flashing fault indicators
Action:
System requires inspection, this is not a DIY repair.
Steel Doors β Common Faults
Door difficult to open/close
Door difficult to open/close
Possible causes:
- Misalignment
- Hinges worn
Lock not engaging properly
Lock not engaging properly
Possible causes:
- Strike plate misaligned
- Lock mechanism worn
Door dropping or catching
Door dropping or catching
Possible causes:
- Hinge wear
- Frame movement
Draughts or gaps
Draughts or gaps
Possible causes:
- Seal damage
- Poor alignment
Closer not working correctly
Closer not working correctly
Possible causes:
- Closer adjustment required
- Oil leak in closer
Folding Security Grilles β Common Faults
Grille difficult to slide
Grille difficult to slide
Possible causes:
- Track obstruction
- Wheel wear
Grille not locking properly
Grille not locking properly
Possible causes:
- Lock misalignment
- Key mechanism fault
Stiff operation
Stiff operation
Possible causes:
- Lack of maintenance
- Debris in track
Grille not stacking correctly
Grille not stacking correctly
Possible causes:
- Track misalignment
- Damaged sections
Visible damage to links or mesh
Visible damage to links or mesh
Action:
Stop using and arrange repair to maintain security.
When to Call for a Repair
You should contact us if:
- The system is not responding at all
- There are electrical faults or error codes
- The door or shutter is unsafe to operate
- The issue persists after basic checks
- The system is part of a fire safety setup
Safety First
Many systems include safety devices such as:
- Safety edges
- Photocells
- Fire control panels
These are critical for safe operation. Faults involving these components should always be handled by qualified engineers.
Need Help?
If youβre unsure or the issue cannot be resolved, our team can diagnose and repair the fault quickly.
Provide:
- Photos or videos
- Description of the issue
- Type of product
This helps us attend with the correct parts and reduce downtime.

