Troubleshooting Guide; Maintenance - Vector MAXX SST VEC049C Owner's Manual

8.2 TROUBLESHOOTING GUIDE

TROUBLE/ INDICATION
No AC output –
red LED lit
No AC output –
red LED lit
Low battery alarm
sounds continuously
Low battery
alarm sounds
Motorized power tool
won't start
Motorized power tool
does not operate at
correct speed
Television/radio
interference
9.0

MAINTENANCE

Inverters require minimal maintenance. However, for optimum performance, per-
form the following:
1. Turn off the inverter using the front panel on/off switch.
2. Disconnect the inverter by removing the DC power fuse.
3. Check and tighten all electrical connections, including the ground.
4. Using a non-metallic vacuum cleaner hose, vacuum the fan area and
other air slots.
5. Clean any dirt and dust from the outside of the unit with a damp cloth.
6. Reconnect the fuse and resume operation
POSSIBLE CAUSE
DC input below
10 volts
Excessive appliance
load-thermal shutdown
Bad connection
or wiring
Low battery voltage
Excessive start-up load
Purely inductive load
Snow in picture, buzz
in speaker
20
SUGGESTED REMEDY
Recharge or replace
battery
Reduce load-wait for
inverter to cool. Turn off
Tighten all DC
connections
Recharge battery
Remove load from
inverter while recharging
battery
Rock the on/off switch
several times. If appliance
does not start, then
appliance will not work
with inverter
Make the load not purely
inductive. Operate an
incandescent lamp at
same time as motor
Keep inverter and
antenna distant from
each other. Use shielded
antenna cable. Connect
antenna to amplifier and
ground inverter case