64
2.4.4 Troubleshooting
Purpose: Describes the most common problems with the TRTC Series.
There are NO Maintenance items inside the TRTC Series and it should be opened or serviced only by factory authorized
service personnel, failure to do so will void the WARRANTY. If it fails to perform a specific function, Figure 50 below lists
typical symptoms, causes and solutions. If you cannot resolve a problem, contact Manufacturer customer service
department.
SYMPTOM
CAUSE
REMEDY
No Output
AC input circuit breaker is OFF Turn input circuit breaker on
No incoming utility line power
Apply incoming utility power by closing upstream
breaker
Read the FAULT under Status Menu of LCD
Red LED is lit solid on front
indicating FAULT
display. See 2.2.13. Clear the fault. Shut off both the
breakers on the front panel. Restart. Contact the
factory, if fault persists
Output LED OFF
Incoming utility power or battery
power not available
Apply qualified input power and verify battery
breaker is closed
Faulty unit
Contact factory
Battery Not connected
Connect batteries
Unit does not
transfer to Battery
mode during a
power failure
OR
Backup time is
less than rated
Battery circuit breaker OFF
Close battery breaker
Battery is not fully charged
Fully recharge the battery then test backup time
(see 2.4.1)
Dead battery
Replace with a good battery
Battery failure
Clean and tighten battery connections
Check batteries and replace if needed
Faulty unit
Contact vendor
Fault LED is lit
Alarm LED is lit
Red LED steady ON indicates
FAULT
Correct the Fault (see 2.2.13)
Yellow LED steady ON
indicates ALARM
Correct the Alarm (see 2.2.12). Contact the factory
if Alarm persists