Nortec NH Series H.System Messages And Lights, Signal Light Status, I.Double Unit Operation

H.SYSTEM MESSAGES AND LIGHTS

(1)Table 3 describes general signal light status meanings.

			Table 3. Signal Light Status
Yellow	Green	Red
OFF	OFF	OFF	Unit is on standby or humidifier has just been energized but has not sensed
			production of steam yet.
OFF	ON	OFF	Humidifier senses production of steam.
ON	OFF	OFF	An attention state exists that should not prevent the unit from producing steam
			when the controls call for it. Check the message on the screen to try to correct it.
ON	ON	OFF	Prepare to replace cylinder or normal startup operation. May also indicate an
			attention during operation. Check the message on the screen to try to correct it.
BLINK	OFF	OFF	Manual Drain On with software drain switch.
OFF	BLINK	OFF	Unit sees a demand, but safeties are open.
OFF	OFF	ON	Operation fault (unit will not run).

(2)Table 4 describes common status messages and the lights displayed for each and their meaning. For a list of warnings and faults, see Chapter 10-40 Troubleshooting.

I.DOUBLE UNIT OPERATION

(1)The unit will report only one cylinder at a time if the unit was ordered without coupled circuits. You will notice on the screen the indication of which cylinder you are monitoring and in the lower right the option to monitor the alternate cylinder.

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