Owner Service Assistance; Troubleshooting - Mercury MotorGuide VariMAX Manual

OWNER SERVICE ASSISTANCE

Troubleshooting

NOTE: For service information, contact any certified MotorGuide
service center. For a full listing of MotorGuide service centers, go to
www.motorguide.com or contact any Mercury service office.
Symptom
Loss of power
Excessive noise,
vibration
Motor failure (all
speeds)
eng
Possible Cause
Weak 12 volt trolling motor
battery
Loose or corroded battery
connections
Propeller is loose, damaged,
or off‑balance
Wiring or electrical
connection faulty
Motor shaft is bent
Propeller is loose, damaged,
or off‑balance
Weak 12 volt trolling motor
battery
Loose or corroded battery
connections
Wiring or electrical
connection faulty.
Fuse on circuit breaker is
open
Magnets interfering with
armature
47
Resolution
Check 12 volt battery charge.
Recharge or replace battery as
required.
Inspect battery connections for
cleanliness and tightness.
Refer to Propeller
Replacement.
Wire gauge from the battery to
the trolling motor is insufficient.
Six gauge wire is
recommended.
Refer to a service center.
Refer to Propeller
Replacement.
Check 12 volt battery charge.
Recharge or replace battery as
required.
Inspect battery connections for
cleanliness and tightness.
Wire gauge from the battery to
the trolling motor is insufficient.
Six gauge wire is
recommended.
Replace the fuse or reset the
circuit breaker only after
determining the root cause of
the problem.
Turn off the power and manually
rotate the propeller. If the
propeller does not rotate freely
with a slight magnetic drag,
contact a service center.