Page 2 of 6 ©2018 American Honda Motor Co., Inc.
Note the position of the Eco Throttle
®
switch and the voltage
selector switch at the time the unit is brought in.
Is the wheel kit installed? The unit requires open space under
and around the generator for cooling purposes.
Is there evidence of the unit being run in an enclosure or
restricted area? Exhaust soot on painted surfaces is a good
indicator.
3. NOTE ANY UNUSUAL RECOIL RESISTANCE
a. Use the recoil starter to determine the presence of an electronic brake load on the generator. If
such a load is present, the unit will be difficult to pull over by hand.
b. If the recoil starter is difficult to pull, disconnect the GCU from the stator by disconnecting the
3-pin connector (red, white, blue wires) on the left side of the control panel. In most cases, this
should relieve the excessive recoil resistance. A faulty GCU could cause the problem, and
may not force error codes from the i-Monitor.
c. If disconnecting the GCU did not change the recoil resistance, disconnect the inverter and
retest the recoil resistance.
d. If disconnecting the inverter did not change the recoil resistance, visually inspect the stator (see page 3).
e. If the engine is still hard to turn over, remove the spark plug and retest recoil resistance. If removing the spark plug
relieves recoil resistance, inspect for carbon deposits or engine mechanical issues.
4. CHECK THE VOLTAGE SELECTOR SWITCH
If the engine starts and the green output indicator light illuminates
for several seconds, followed by the green light going out and the
red overload indicator light illuminating while the engine defaults to
a low idle speed, there may be a problem with the voltage selector
switch. There may also be a buzzing noise coming from the switch
when it is in either position.
Turn the unit off and disconnect the 4-pin connector from the
inverter as shown. Restart the unit. If the green output indicator
stays illuminated and the Eco Throttle switch functions properly, the
voltage selector switch may be faulty.
Test the voltage selector switch according to the shop manual
procedure.
WHEEL KIT
ECO
THROTTLE
SWITCH
VOLTAGE
SELECTOR
SWITCH
INVERTER
4-PIN
CONNECTOR
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