Troubleshooting Fish Hawk X4

Please refer to the following chart to help you identify and correct some of the more common troubleshooting scenarios we run into with the Fish Hawk X4.

Problem	Possible Cause	Solution
Display won't turn on	The 1-amp in-line fuse is broken	Replace the 1-amp fuse found near the end of the power cord
No probe data appears on the display	The probe is out of the water	The probe is only on when in the water
	The batteries in the probe are dead	Replace with fresh alkaline AA batteries
	The transducer is not placed correctly on the transom	Locate the transducer in a spot on the transom where bubbles are minimized. Do not locate the transducer near a kicker motor. Make sure the transducer face is level with the water's
	The Gain adjustment is set too low	Press the SET button on the display. The default setting is 15, use the arrow up key to increase the gain. The Gain may need to be set higher in water deeper than 150' or with cannon balls
	The probe is too close to the boat	The probe needs to be at least 5-feet under the transducer
The probe temperature on the display reads 3.8 - 4.0	The thermistor tubes on the probe have been damaged	To prevent the from ever happening remove the probe from the downrigger cable when not in use, or secure the probe tightly to the downrigger with a bungee. Unfortunately there is no way to repair the damage, the probe must be replaced.
Probe numbers on the display are erratic	Sonar interference from a 50 or 83 KHz transducer located next to the Fish Hawk transducer (70 KHz) on the transom.	The fastest way to eliminate this is to turn off the 50 KHz or 83 KHz beam on your fish finder ad. You can also try reducing the Gain setting on the Fish Hawk display by pressing the SET button and then the arrow down key, or separating transducer cables if tied together. The permanent solution is relocating the transducer away from other 50 or 83 KHz transducers on the transom.
Surface and probe numbers on the display are erratic	Electrical interference from the boat	Run the Fish Hawk display power cord directly to the boat battery and not through a fuse panel
The Fish Hawk display turns on or off when you start the engine.	There is an open ground in the power system	Try replacing the standard spark plugs with resistor spark plugs