Nova-Tech LMI Series HH Metering Pump - Manual (Page 25)

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11.5 Low-Level Switch (P/N 29190)
When the Low-Level Switch is fitted to the pump and a fault
condition exists, the "E1" error code will flash on the LCD screen
MIN
INT
.
For more information on the Low-Level Switch, see the Low-
Level Switch Assembly information sheet (P/N 1368).
When a fault condition exists, the pump is stopped and the alarm
and computer alarm lines are activated to allow remote monitoring.
After clearing the fault (by filling the tank), the pump will
automatically restart.
12.0 External Control Modes for HH9
To access the pulse divide, pulse multiply or milliamp response, the
pump must be changed from Internal (manual) mode to External
mode. To do this, first be sure the pump is stopped. Press the I
N
T T
MODE
E
X
(Mode) key and hold it for three (3) seconds. The LCD screen
displays the last External mode that was programmed. If this is the
first time the pump has been put in the External mode, the factory
default will be displayed on the LCD screen. The factory default
mode is "External Pulse Divide" with a divide value of one (1)
EXT
:
. The display will alternate between SPM and OFF.