Manufactured for Grainger International, Inc.
100 Grainger Pkwy., Lake Forest IL 60045 U.S.A.
Symptom(s)
Possible Causes(s)
Corrective Action(s)
1. Recharge battery or replace power supply.
2. Reduce load to maximum 800 Watt.
3. Power OFF the AC device(s) and inverter. Disconnect the
device(s) connected to the inverter. Power the inverter ON &
leave running for a minimum of 2 minutes. Power OFF the
inverter, quickly plug in device(s) to inverter making sure the
device(s) is OFF. Power ON the inverter and the device(s).
4. Replace blown fuse(s) with (2x) 40 Amp.
1. Power source voltage below 11 Volt.
2. Excessive current drawn by the
device(s) being operated
3. Inverter not completely warmed up.
4. Inverter fuse(s) blown.
Lack of
Power
Output
1. Inverter is overloaded.
2. Inverter voltage below 11 Volt.
1. Replace load to maximum of 800 Watt.
2. Charge or replace battery.
Red light
ON
1. High surge wattage
requirement to start-up.
Toggle the inverter POWER switch in succession a total of 5
times in order to generate the necessary power to start the
device. If the device does not Power ON or start up in 5 cycles
of ON/OFF trials. This inverter will not work with the device.
Poor battery condition.
Start the engine to recharge the battery. Ensure inverter is
powered OFF before starting engine. Replace battery if required.
Television/power
tool will not start
Picture breaking up (snow)
1. Place the inverter as far as possible from TV, the antenna
and the coaxial cable. TV station may be out of range.
Television
Interference
Sound system has weak alternating
current sheilding.
Static/Noise
Interference in
audio system
Troubleshooting
Operating Instructions and Parts Manual
1YAY6
800 Watt
Power Inverter
Warranty
LIMITED ONE-YEAR WARRANTY
This product is warranted by Westward to the original user against defects in workmanship or materials under normal use for
one year after date of purchase. Any part which is determined to be defective in material or workmanship and returned to an
authorized service location, as Westward designates, shipping costs prepaid, will be, as the exclusive remedy, repaired or
replaced at Westward's option. Incidental or consequential damages are excluded from this warranty.
Reverse battery polarity connection.
Turn OFF Inverter and AC Voltage device. Disconnect Inverter
from battery power source. Replace Fuse. Reconnect Inverter
to proper battery polarity.
Fuse Blown
Reference
Number
Description
Part Number
N/A
Qty.
2
40 AMP spade fuse
1
Repair Parts List
For Repair Parts, call 1-800-323-0620
24 hours a day – 365 days a year
Low Battery Alarm
ON all the time
1. Do not use inverter with low quality audio system AC current shielding.
2. Replace audio system with high quality noise filtering.
