Samlexpower PST-15S-12E Owner's manual - Section 11 |
48 | SAMLEX AMERICA INC.
seCtIOn 11 |
troubleshooting Guide
iSSUe
PoSSiBLe cAUSe
ReMeDY
When switched ON, the
Green LED marked "POWER"
(2, Fig 6.1a) does not light.
Buzzer is OFF. There is no AC
output voltage.
There is no voltage at the
DC input terminals
• Check the continuity of the battery
input circuit.
• Check that the internal/external battery
fuses are intact. Replace if blown.
• Check that all connections in the battery
input circuit are tight.
Polarity of the DC input
voltage has been reversed
that has blown the exter-
nal / internal DC side fuses
(
Note: reverse polarity
may cause permanent
damage
. Damage caused
due to reverse polarity is
not covered by warranty)
• Check external and internal fuses. Internal
fuses may be soldered and may not be easily
replaceable. Replace fuses. If unit does not
work, call Technical Support for repair.
Low AC output voltage
(No buzzer alarm).
• AC load is exceeding
200% Surge Overload
• Load is approaching
200% Surge Overload
during lower DC input
voltage
• Check that the battery is fully charged.
Recharge, if low.
• Check that the battery cables are thick
enough to carry the required current over
the required length. Use thicker cables, if
required.
• Tighten connections of battery input circuit.
• Reduce load.
AC output voltage is available.
Buzzer alarm is sounded at no
load when load is switched
ON. The Green LED marked
"POWER" (2, Fig 6.1a) is
lighted.
• Low DC input voltage
alarm
• DC input voltage is
10.7V or lower but >
10V
±
0.1V for PST-
300S-12E
• DC input voltage is
21.4V
±
0.2V or lower
but > 20V
±
0.2V for
PST-300S-24E
• Check that the battery is fully charged.
Recharge, if low.
• Check that the battery cables are thick
enough to carry the required current over
the required length. Use thicker cables, if
required.
• Tighten connections of the battery input
circuit.
There is no AC output volt-
age. Buzzer alarm is sounded
at no load or when load is
switched ON. The Green LED
marked "POWER" (2, Fig 6.1)
is lighted.
• AC output voltage has
been shut down due to
low DC input voltage
• DC input voltage is 10V
±
0.1V or lower for PST-
300S-12E
• DC input voltage is 20V
±
0.2V or lower for PST-
300S-24E
• Check that the battery is fully charged.
Recharge, if low.
• Check that the battery cables are thick
enough to carry the required current over
the required length. Use thicker cables, if
required.
• Tighten connections of the battery input
circuit.
• The AC output voltage will switch ON auto-
matically when the DC input voltage rises to
11.5V ± 0.1V or higher for PST-300S-12E or
23V ± 0.2V or higher for PST-300E-24E.