Replacing Batteries; When To Replace; Replacing 24V External Power Module; Figure 8-1: Electronics Module Removal And Replacement - Honeywell SmartLine STIW400 User Manual

Wireless temperature and universal i/o transmitters
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8.5

Replacing batteries

When to replace

When the transmitter displays a LOW BAT message you have 2-4 weeks to replace both
batteries before they reduce in performance. When batteries are removed or expired, all
transmitter data is retained in the transmitter's non-volatile memory.
See section
8.6

Replacing 24V external power module

When to replace
If the 24V power source should be replaced if the transmitter doesn't power up or the output
voltage of the 24V supply is less than 7.5V.
See section
Revision 1

Figure 8-1: Electronics module removal and replacement

5.1
for battery replacement procedure.
5.2
for 24V power supply module replacement procedure.
SmartLine Wireless Temperature and Universal I/O User's Manual
8. Maintenance/Repair
8.5. Replacing batteries
61

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