TECHNICAL INFORMATION
Copyright Trace Engineering Company, Inc.
5916 - 195th Street N.E.
Arlington, WA 98223
Telephone: 360/435-8826
Fax: 360/435-2229
www.traceengineering.com
PS Series Inverter/Charger
Part No. 3597
Rev. D: November 23, 1999
Page
111
TROUBLESHOOTING GUIDE
PS Series Troubleshooting using the SWRC Page 1 of 3
ERROR CAUSES
OVERCURRENT
Excessive load on the AC output
Disconnect all wires on the AC input and output.
Reset the inverter by pressing the On/Off switch to OFF, then to SRCH or
ON. If unit comes on, then check AC wire system (shorts or miswired)
TRANSFORMER OVERTEMP or HEATSINK
OVERTEMP
Charging: AC input voltage may be too high, check for high input ac voltage
Inverting: operating too large of a load for too long, remove excessive loadsUnit is warm/hot to the touch
Let inverter cool down and try restarting.
(a) Ambient temperature may be high
(b) Inverter cooling fan may have failed – hold a piece of paper to inverter
vents to check fan, (fan is hard to hear).
(c) c) Inverter airflow intake may be blocked (small clearance or clogged).
HIGH BATTERY VOLTAGE or
LOW BATTERY VOLTAGE
Battery voltage is not within the High or Low
battery cut-out settings.
Check for the correct battery voltage at the inverter’s DC input terminals.
High battery: Ensure your DC source is regulated below your High battery
cut-out or adjust your HIGH BATTERY CUT-OUT to a higher setting
Low battery: Check for an external DC load on the batteries. Check condition
of batteries and recharge if possible or adjust your LOW BATTERY CUT-
OUT to a lower setting.
HIGH AC INPUT or LOW AC INPUT
VOLTAGE
Detects single cycle voltage problems from the
ACV input that are outside the Upper or Lower
limit VAC settings.
Check for the AC voltage at the AC input terminals. Ensure the voltage is
within the ‘Set input Upper VAC’ setting and the ‘Set input Lower VAC’
setting. These advisory errors last for 3 minutes only and will not disconnect
the AC input.
Set Upper limit VAC setting: Default = 132 VAC;
Set Lower limit VAC setting: Default = 108 VAC
LOW AC INVERTER VOLTAGE
The AC output voltage has fallen below
SET INPUT LOWER LIMIT VAC setting.
The cause for this error could be high battery voltage or an excessively large
load for more than 20 seconds.
AC SOURCE WIRED TO OUTPUT
Indicates that an AC source was wired directly
to the AC output.
Check for proper AC input and output wiring (output of inverter is wired to an
AC source)
GEN SPEED ERROR
Five attempts were made to start the generator
without obtaining the correct input AC voltage
or frequency
Reset the auto generator start system by selecting OFF and then AUTO or
ON from the SET GENERATOR menu.
Ensure the ‘Maximum AC amps In’ switch is in the AC2 position.
GEN STOPPED DUE TO V/F
Indicates that the generator was running but
was not operating within the voltage or
frequency tolerances and was not able to
connect
Check the generators output voltage and frequency (ensure that the 'Set
Input lower or upper limit VAC' is set correctly).
Ensure the ‘Maximum AC amps In’ switch is in the AC2 position.
GEN MAX RUN TIME ERROR
Indicates that the generator ran for a period of
time that exceeded the 'SET MAX RUN TIME'
This is an advisory ERROR only and will not cause any other effect.
GEN FAILED TO START
Indicates that five 'Auto generator start
attempts' have occurred without successfully
starting the generator
(a) Voltage has not reached 80 VAC to the AC input terminals during the
'MAX CRANK PERIOD'
(b) Voltage did not maintain >80 VAC for the majority of time while the
inverter was charging
Ensure the ‘Maximum AC amps In’ switch is in the AC2 position.
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