Oil Mist Detectors Caterpillar

Indication of the Condition

Illustration 1	g00738179

• The red number 7 LED is flashing.

• No other LED is illuminated.

Probable Causes

• The "RESET" button is stuck.

• The measuring head is faulty.

Recommended Repairs

1. Remove the obstruction from the "RESET" button. After the "RESET" button is free, press the "RESET" button.

   Expected Result

   The number 7 LED is no longer flashing. The detector is operating normally.

   Results

   OK - The detector is operating normally.

   Not OK - The "RESET" button is not stuck. However, the fault is still active. The measuring head is faulty.

   Repair

   Replace the measuring head.