11
EN
HAMMERJAW
™
Problem
Possible Cause
Solution
Short Run Time
• Battery damaged/not charged
• Motor dirty or brushes worn
• Check/change battery
• Check/clean/replace
Sluggish Action
• Motor dirty or brushes worn
• Bind in drivetrain
• Vehicle battery is not charged
• Check/clean/replace
• Clean/adjust
• Replace/recharge
Controls Reversed
• ST. REV or TH. REV
• Change switch position
Motor/ESC overheat
• Running conditions putting a high strain on
the power system
• Avoid overly tall grass and muddy conditions
Doesn’t Operate
• Transmitter batteries low
• Transmitter powered off
• ESC powered off
• Vehicle battery is not charged
• Replace/recharge
• Power On
• Power On
• Replace/recharge
Poor Range
• Transmitter batteries low
• Receiver antenna damaged
• Replace/recharge
• Check/repair/replace
The system will not
connect
• Transmitter and receiver too near each other
• Transmitter and receiver too near large
metal objects (vehicles, etc.)
• Receiver accidentally put in bind mode so
receiver is no longer bound
• Move transmitter 8–12 feet (2.4–3.6m) from receiver
• Move away from large metal objects (vehicles, etc.)
• Rebind transmitter and receiver
The receiver goes into
failsafe mode a short
distance away from
the transmitter
• Check the receiver antenna to be sure it is
not cut or damaged
• Contact Horizon Product Support
• Make sure receiver antenna is in an antenna tube and
is above vehicle
The receiver quits
responding during
operation
• Low battery voltage
• Loose or damaged wires or connectors
between battery and receiver
• Completely recharge battery
• Do a check of the wires and connection between
battery and receiver. Repair or replace wires and/or
connectors
Receiver loses its
bind
• Transmitter accidentally put in bind mode,
ending bind to receiver
• Bind transmitter to receiver
TROUBLESHOOTING GUIDE
