20
1.6 Troubleshooting
TRTC System Troubleshooting Chart
SYMPTON
CAUSE
REMEDY
No Output
Available from ATS
Upstream utility circuit breaker or
fuse may be OPEN
Utility AC Power not available
CLOSE the upstream utility breaker
or fuse
Check with the AC voltmeter &
contact the Utility Company
Wiring error
Correct wiring at ATS
Faulty ATS
Replace the ATS
ATS won’t allow transfer to
Battery mode
TRTC output power not connected
to ATS
“UPS OUTPUT” circuit breaker at
ATS is open
Verify that “UPS OUT” cord is
properly connected to the AC
OUTPUT receptable at the TRTC
Reset the breaker and clear the
fault
Faulty ATS
Replace ATS
TRTC does not return back to
Input Line Mode
Utility input line power is missing
Verify that “UPS IN” cord from the
ATS is properly connected to the
AC INPUT receptable at the TRTC.
Verify that the “UPS INPUT” circuit
breaker at the ATS is closed.
Ensure that the utility input is
present.