Nortec NHDI - Manual (Page 16)

• Green LED lit: Unit producing steam
• Yellow LED flashing: Major or minor servicing
due. The relevant notice is shown in the display.
• Red LED flashing: There is a problem. The unit
is trying to solve the problem. The relevant
warning message appears in the display.
• Red LED lit: Insoluble problem. The relevant
error message appears in the display.
Optional Remote operating and fault indication
If the steam humidifier is equipped with the
optional remote operating and fault indication
(option ”RFS”), the operating status will be shown as
follows:
K1 Steam (N/O) Normally open
K2 Error (N/O) Normally open
Or
(N/C) Normally closed
K3 Service (N/O) Normally open
Or
(N/C) Normally closed
K4 Unit On (N/O) Normally open
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