GDM-HST02
TEC_TM_158 | REV. B | EN 12/4/2023 Page 21 of 48
truemfg.com
Installation & Setup (cont.)
Fig. 1. Front louver grill screw location.
Fig. 2. Battery backup location.
Fig. 3. Battery backup screw location.
Fig. 4. Slide the battery cover off.
The appliance has a battery backup that ensures the electronic
control can still monitor the appliance temperature and actuate
the lock during a power outage. This battery backup provides
power to the control for a minimum of 2 hours.
Procedure
1. Remove the front louver grill. See fig. 1.
2. On the battery backup, toggle the power switch to ON.
See fig. 2.
Battery Replacement
The battery backup requires eight (8) AA batteries.
1. Remove the front louver grill. See fig. 1.
2. Remove the battery backup screw (see fig. 3) and slide the
battery backup out of its holder.
3. Push the tabs down and slide the battery cover off. See fig. 4.
Battery Backup
USER ACTION!
Be sure to check the AA batteries at least once every
3 months to ensure the battery backup always has
charge.
The battery backup system ships with the power
switch toggled to OFF. Turn the battery backup system
on during installation.
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