Honeywell ERX350 User Manual page 183

7 Maintenance
7.5 Removing and Re-Installing Modem Mounting Cover Plate
5. Unplug the old battery.
6. Plug in the fresh battery where the old battery was plugged in.
7. Remove the Swapout Battery.
8. Press the ESC key twice to exit the battery change mode. When the ESC key is pressed, all the
battery life items are automatically set to 100% new values and the battery usage cycle is set to
zero.
7.5.2 Replacing the Battery in a Non-Hazardous Environment
To replace the battery in a non-hazardous environment, perform the following steps:
1. Plug in the fresh battery into the open connector on the battery Y cable.
2. Unplug the old battery.
3. Reset Battery Life Items to defaults (100% new) by following steps shown below:
a. Unlock the keypad and type the PASSCODE to enter level 2 or level 3 menus. Refer to the
section "Accessing Level 2 Mode " for accessing level 2 mode or section "Access Level
3Mode" for accessing level 3 mode.
b. Scroll down in to HMI menu to L2.12 or L3.12 where it displays: "RESET BATT" on display
and then press the Enter key.
c. Press YES key to confirm (see note below).
d. ERX350 resets the battery usage Items to factory default values: (Item 59 = 0, Item 1001 = 60
mo, Item 1002 = 100%).
e. Press ESC until you have exited the HMI.
Honeywell
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