Honeywell ERX350 User Manual page 184

7.6 Low battery/ External Power Shutdown Mode
ERX350 automatically enters a low battery shutdown mode when the battery voltage measurement falls
below the value of Item 50 (Battery Shutdown Limit) for three (3) consecutive times.
Note: Item 50 Shutdown Limit applies to both Battery Voltage and External Supply Voltages.
While in low power shutdown mode, the display shows the following (except if user enters HMI mode):
_ _ _ _ _ _ _
"REPLACE"
"BATTERY"
To exit Low Power Shutdown, the Battery voltage must be above the Item 50 limit value and the user
must enter HMI mode. User enters HMI and menus down arrow to the screen showing: SHUTDOWN - HMI
menus: L2.7 or L3.9. Next, the User presses Enter key and display will show: 'ENTER MODE' as first
selection. Arrow down to 'EXIT MODE' selection. User again presses the Enter key to confirm – the unit
leave (exit) Shutdown/Shelf mode. When the User exits the HMI menus – the display will then return to
normal default screen.
Refer to the table below to see which functionality is limited or blocked in low battery shutdown mode.
Functionality
Pressure
measurement
Temperature
measurement
Battery
measurements
External Supply
measurements
Pulse Outputs
Alarm Output
IrDA
communications
Honeywell
2023
Stopped
Stopped
Stopped
Stopped
No output pulses sent. Items 5 to7 continue to update per new volume input and
will be sent only after exiting Shutdown mode
No Alarm output signal is sent. If pending, it will be sent only after exiting
Shutdown mode
Stopped
7.6 Low battery/ External Power Shutdown Mode
What Happens
7 Maintenance
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