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Backlighting
f Your thermostat has an electroluminescent lamp that backlights the display for easy viewing in the dark .
X
- When any key is pressed, the display is illuminated .
- The display will remain illuminated for 5 seconds after the last key is pressed . This allows the light to stay on if you need
to operate several keys .
• If the thermostat is in Low Battery warning condition, the backlight will not operate .
• Replace with 1 new AA alkaline battery to restore the Backlight function .
NOTE
Changing the battery
f One fresh AA alkaline battery should provide well about one year of service . However, when the battery become drained,
X
The thermostat is shut down . At your earliest convenience, you need to replace the battery with 1 new AA alkaline
battery .
• If you plan to be away from the premises over 30 days, we recommend that you replace the old battery with new
alkaline battery prior to leaving .
NOTE
Error Mode
f If the thermostat is unable to control your system due to an unexpected battery
X
problem, the thermostat will enter Error Mode . In this condition, the thermostat
flashes "E1"or "E2"on the LCD display, and shuts off your system .
To correct this problem, replace the battery with 1 new AA alkaline battery, even
if you have recently replaced them . Next, Move the battery out hold any key then
place the battery again . You will need to reprogram your thermostat and confirm
normal operation . If Error Mode returns, please call the seller of the thermostat for
further information .
LCD display
E1
E2
Auto Cut Off
f Your thermostat will cutoff in Cool mode if the room temperature drops below 7 °C .
X
f Note that If your system has malfunctioned and no longer responds to thermostat controls, the Auto Cut-Off will have no
X
effect .
Rooftop_ODM_IBIM_EN_2020001B8001.indd 19
Information
Sensor Error
System switch
ENGLISH-19
2014-06-11 오후 8:07:20
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