Troubleshooting; Table 5-1 Receptacle Led Troubleshooting - Emerson Network Power MPH2 User Manual

5.0 Troubleshooting

NOTE
Per UL 60950-1 2nd Ed. ITE safety-standard requirements, the current ratings of UL Listed
models are 80% of input-plug, branch-circuit-breaker and receptacle maximum current ratings.
LED Indication
(One or All LEDs)
State/
Color Flash Speed
Green Steady On
Green Fast
Off NA
Green Slow
Red Fast
Red
Pulse
(All LEDs)
Green
Slow
(All LEDs)
Red
Fast
(All LEDs)
Table 5-1 Receptacle LED Troubleshooting
Audible
Alarm Condition
Input-voltage-supported
—
Receptacle Powered-on
— Receptacle Identification
— Voltage Off
— Overcurrent Warning
Overcurrent Alarm

Undercurrent Alarm
— Branch Circuit Breaker Open
— Branch Overcurrent Warning
Branch Overcurrent Alarm

Status/Recommended Action
Normal Operation
Remote user is requesting receptacle identification.
The LED should stop flashing after 10 seconds.
Check receptacle power control settings.
Check for changing load conditions.
Check overcurrent warning threshold settings.
Check for changing load conditions.
Check overcurrent alarm threshold settings.
Check for removal of load.
Check undercurrent alarm threshold settings.
Check for changing load conditions; confirm circuit
breaker actuator is closed. If open, correct loading
condition before pressing circuit breaker actuator
closed again.
Note: On single-phase, switched-receptacle models,
this may indicate that the input-power line and
neutral are swapped if there is no power to the unit.
Check for changing load conditions.
Check overcurrent warning threshold settings.
Check for changing load conditions.
Check overcurrent alarm threshold settings.
42
Troubleshooting
® ™
Emerson MPH2 User Manual