MP SERIES™ Battery Backup System for Traffic Signals: MP2000E System
Volume One: Operating Manual
Page 7-10
SYMPTOM
CAUSE
REMEDY
System has a fault (indicated
by solid red LED on LCD
screen
Access the status menu as described in
Section 6.b.13 to determine the nature of
the fault. Clear the fault, then shut off both
breakers on the front panel and restart the
system. If the fault persists, contact Myers
Emergency Power Systems Technical
Support at (610) 868-3500.
No Output
Available from
PTS
Upstream utility circuit
breaker or fuse may be
OPEN
CLOSE the upstream utility breaker or fuse
Utility AC Power not
available
Check with an AC voltmeter & contact the
Utility Company
Wiring error PTS terminal
block
Correct wiring at PTS
Faulty PTS
If 120 VAC is present at “L IN” and
NEUTRAL at the PTS terminal block,
replace the PTS
Output LED is
OFF
Incoming utility power or
battery power is not
available
Apply qualified input power and verify
battery breaker is closed
Faulty unit
Contact Myers Emergency Power Systems
Technical Support at (610) 868-5400.
Alarm LED is lit
Red LED steady ON
indicates fault
Correct the fault as described in Section
6.b.13
Flashing red LED indicates
alarm
Correct the alarm as described in Section
6.b.12
Figure 7-5: MP2000E Troubleshooting Guide (continued)
