Technical information
562600-000, Issue1.0, March 2014  
42 of 57 
9.4 LED and Internal Alarm Warnings 
The table below shows the state of the three LEDs on the display and the internal alarm 
with respect to system status. 
10  Daily Checks 
See section 12 for test / diagnosis features. If an issue is discovered which 
cannot be rectified using this guide, halt any operation, seek authorised ser-
vice immediately and do not continue operation until the fault has been reme-
died.  
  Display - check for damage and correct operational 
  Safety Controller - check for damage and correct operational 
  Sensors and sensor cabling - check for damage 
  Connectors - check for damage 
  Alarm / Blue Lamp / Amber Lamp functionality 
  Automatic Duty Selection 
  Relays inputs and motion cuts 
  Check Anti Tamper devices are secure on motion cut valves and master override 
keyswitch  
11  Repair 
Once a repair has been carried out and tested, the following must be 
checked: 
Required Checks  Section 
Angle Sensor Check  12.2 
Relays Check  12.1 
Alarm, LED and Beacons Check  12.3 
Maintenance review  17.1 
LED and Internal Alarm status  System status 
Off 
Start up, Power Down 
Operational: System OK, no warnings, hazards, or errors 
Warning: Approach to overload or envelope limit 
Hazard; Overload or breach of an envelope limit 
Maintenance: Engineering access active 
Error: PME hardware/software error, or sensor failure 
1 Hz 
Continuous 
8 Hz 










