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7. TROUBLE SHOOTING
7.1 For PTS Module
No output available from
PTS.
External AC circuit breaker may be
Close the external AC input breaker.
Line AC power is not available. Check if utility is available
with the AC
voltmeter and contact Utility Company.
Wiring error on PTS terminal blocks.
PTS fault. If utility power voltage is present at AC
IN “L” and “N” on
the PTS terminal
blocks, replace the PTS.
PTS is not allowed to
transfer to battery mode.
UPS output power is not connected
to PTS.
Verify if power cord from “UPS OUT” on
PTS is pro
perly connected to the AC
output terminal blocks on UPS.
“UPS INPUT” circuit breaker on
Reset breaker.
Black and red control wires from
PTS are not connected to PTS
control connector of UPS.
Connect black and red control wires from
PTS to PTS control connector of UPS.
48VDC signal not available
at the
PTS control connector on the UPS.
Replace UPS.
UPS does not return back
to Line mode.
Line power is missing. Verify if power cord from “UPS IN” on
PTS is properly connected to the AC input
Verify if the “UPS INPUT” circuit breaker
Verify if AC input circuit breaker on UPS is
Ensure that Line input is present.