Emerson Network Power MPH2 User Manual

Troubleshooting
42 Emerson
®
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.
Table 5-1 Receptacle LED Troubleshooting
LED Indication
(One or All LEDs)
Audible
Alarm Condition Status/Recommended ActionColor
State/
Flash Speed
Green Steady On —
Input-voltage-supported
Receptacle Powered-on
Normal Operation
Green Fast — Receptacle Identification
Remote user is requesting receptacle identification.
The LED should stop flashing after 10 seconds.
Off NA — Voltage Off Check receptacle power control settings.
Green Slow — Overcurrent Warning
Check for changing load conditions.
Check overcurrent warning threshold settings.
Red Fast 
Overcurrent Alarm
Check for changing load conditions.
Check overcurrent alarm threshold settings.
Undercurrent Alarm
Check for removal of load.
Check undercurrent alarm threshold settings.
Red
(All LEDs)
Pulse — Branch Circuit Breaker Open
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.
Green
(All LEDs)
Slow — Branch Overcurrent Warning
Check for changing load conditions.
Check overcurrent warning threshold settings.
Red
(All LEDs)
Fast  Branch Overcurrent Alarm
Check for changing load conditions.
Check overcurrent alarm threshold settings.

Emerson Network Power MPH2 Specifications

General

Brand	Emerson
Model	Network Power MPH2
Category	Power distribution unit
Language	English