Carrier Graviner Mk7 - Cleaning the Detector; Inspect the contents of the Mk7 Event log; Check the Status of each Detector

OMD Technical Note TN18001
Carrier Fire & Security
8 Newmarket Court, Page 4 of 14
Chippenham Drive,
Kingston, Milton Keynes, MK10 0AQ
Cleaning the Detector
1. Inspect the contents of the Mk7 Event log.
It is important to check the contents of the Mk7 Event log as it may show Fault messages
which indicate the condition of a defined Detector.
A Contamination Low Fault or Photodiode Fault message is typically an indication that the
Detector is contaminated by oil and should be cleaned.
Photograph and document the Event Log screens on the Remote Display Unit.
Alternatively, if available, use the Mk7 Oil Mist Engine Manager Tool and USB cable to
download the Event Log. The event log should be saved to the PC for future records.
At this time the System Test Log should also be saved for future records.
On the engine screen select Logs > View System Test Log
2. Check the Status of each Detector prior to any cleaning taking place.
Using the Remote Display Unit access the Detector Status Screen for each Detector.