Invacare MK6i Reference Manual page 86

User Settings/Diagnostics
ERROR CODE
E156 MTR NOT CAL
E158-E160 GB CTRL FAULT
E161 GB CTRL FAULT
E162-E164 GB CTRL FAULT
E165-E171 GB CTRL FAULT
E172, E174 M2 SHORT/OPEN
E173, E175 M1 SHORT/OPEN
E176 OVERHEAT
E177 OVERHEAT
E178 OVERHEAT
Invacare® MK6i™Electronics
SYMPTOM
Motors not calibrated
Software error
GB Controller Fault
Controller/Motor Short/Open
Direct Input Joystick Fault
Motor/Controller Short/Open -
M2, Right Motor (on RWD)/Left
Motor (on CWD)
Motor/Controller Short/Open -
M1, Left Motor (on RWD)/Right
Motor (on RWD)
Rollback - Battery
Rollback - M2
Rollback - M1
PROBABLE CAUSE
86
SOLUTIONS
Recalibrate motors.
Turn chair off and then back on.
If error repeats, replace controller and
recalibrate motors.
Turn chair off and then back on.
If error repeats, replace controller and
recalibrate motors.
Check all connections.
Replace controller and recalibrate motors.
Check all connections.
Check all connections.
Allow controller to cool off w/power on.
Allow controller to cool off w/power on.
Possible bad M2 motor (Right Motor on RWD,
Left Motor on CWD).
Allow controller to cool off with power on.
Possible bad M1 motor (Left Motor on RWD,
Right Motor on CWD).
Part No 1141471