C8.3 Industrial Electronic Controlled Fuel System Section 1 - Operating Instructions Page 1-17 Water in Fuel The water-in-fuel lamp (3) interfaces with the optional water-in-fuel sensor in the primary fuel filter. It comes on when there is water in the fuel filter. This feature is not presently available. High Coolant Temperature The high coolant temperature lamp (4) comes on when the engine coolant temperature is above specification. Low Coolant Level The low coolant level lamp (5) comes on when the coolant level is below specification. Use the following procedure for the coolant specifications.Refer to Procedure 018-018 in Section V. Low Battery Voltage NOTE:
This voltage lamp only applies to marine applications. The low battery voltage lamp (6) comes on when the battery voltage is below specification.