GHG17 DD Medium Duty Operators Manual Table 12. Water-In-Fuel Lamp (WIF) Table 13. All information subject to change without notice. 51 DDC-SVC-MAN-0192 Copyright © 2017 DETROIT DIESEL CORPORATION Lamp Lamp Name Description Results Fuel Filter Restriction Sensor (FFRS) Lamp Yellow lamp Indicates that the fuel filter is restricted and needs to be serviced. May illuminate at the same time as the Malfunction Indicator Lamp (MIL) and Amber Warning Lamp (AWL) Service soon Lamp Solid Lamp Flashing • At the start of every ignition cycle (a bulb check). • Fuel filter needs service.
• Never Lamp Lamp Name Description Results Water-In-Fuel (WIF) Lamp Yellow lamp indicates that the fuel water separator has reached its capacity and needs to be drained. Engine water separator must be drained or an engine derate will occur. Lamp Solid Lamp Flashing • At the start of every ignition cycle (a bulb check). • Water separator has reached it maximum capacity. • Never