Symptom
Possible Cause(s)
Recommended Solution(s)
Inverter will not turn on during
Batteries are not connected, loose
Check the batteries and cable
initial power up.
battery-side connections.
connections. Check DC fuse and breaker.
Low battery voltage.
Charge the battery.
No AC output voltage and no
indicator lights ON.
Inverter has been manually
transitioned to OFF mode.
Press the switch to Power saver on or Power
saver off position.
Excessive AC output load or AC
output short
Defective inverter
Inverter high temperature
indicator on
Excessive ambient temperature or
AC output load
Check AC output loads, increase ventilation,
derate the inverter if ambient temperature is
excessive.
AC output voltage is low and the
inverter turns loads OFF in a
short time.
AC voltage has dropped
out-of-tolerance
Charger controls are improperly set. Refer to the section on adjusting the “Charger
Rate”.
Low AC input voltage.
Source qualified AC power..
Loose battery or AC input
Check all DC /AC connections.
connections.
Charger turns OFF while
charging
High AC input voltages from the
Load the generator down with a
from a generator.
generator.
heavy load.
Turn the generator output voltage
down.
Sensitive loads turn off
temporarily when transferring
between grid and inverting.
Inverter's Low voltage trip voltage
may be too low to sustain certain
loads.
Choose narrow AC voltage in the DIP switch, or
Install a UPS if possible.
Noise from Transformer/case*
Applying specific loads such as
hair dr
yer
Remove the loads
Charger is supplying a lower
charge rate.
Inverter overload indicator on
Check AC output loads and wiring
Low battery.
Check the condition of the batteries and recharge
if possible.
Charger is inoperative and unit
will not accept AC.
Check the AC voltage for proper voltage and
frequency.
170 Cherry Avenue
West Sayville, NY 11796
www.kussmaul.com
Ph: 800-346-0857
Fax: 631-567-5826
25
Manufacturer
Model No.
ZHEJIANG SHOUXIN ELECTRICAL APPARATUS CO LTD
TS20
III. Trouble Shooting Chart
