Nortec MH Series - Manual (Page 49)

Operation | 46
MHTC LED Status Lights
The keypad and display panel includes 3 LED’s which provide information about the humidifier’s
current status.
Figure 42: MHTC LED Status Lights
MHB Status Lights
Figure 43: MHB Status Lights
Fault LED On
Indicates the controller has detected a
fault condition and stopped humidifier.
Check display for fault information
Service LED On
Indicates that service may be required
or that a warning condition exists.
Check display for warning information
.
ON LED On
Indicates steam is being produced.
ON LED Blinking
Indicates demand with safety loop open.
Power On
Indicates power is turned on to the
MHB.
Humidifying / Cooling
Indicates a demand is present and the
MHB is humidifying / cooling.