TROUBLESHOOTING
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Touch screen buttons do not function properly
. Remove cover, press the reset
button located in the bottom left corner then accurately touch 3 target centers on the
screen when prompted.
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Air conditioning turns on in HEAT mode and heating turns on in COOL mode.
Reverse the OB valve (see “Advanced Settings” Page 36).
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PARTIAL LOCK and FULL LOCK do not function
. You must not touch the screen
for 1 minute for the thermostat to automatically lock.
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Thermostat appears normal until the screen becomes blank when the com-
pressor or heating system turns on
. You need to connect the “C” wire. 4 wire
system will not function unless the heat and compressor contactors can supply
enough current to power the thermostat with only 4 wires, if you cannot hook up
the “C” wire another possible solution is to connect one 250 ohm 10 watt resistor in
the HVAC room, for cooling problems between C and W or in the case of heating
problem between C and Y1.
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I forgot my PIN and cannot unlock the thermostat
. Remove the cover plate,
press the reset button located in the bottom right corner, as soon as the message
“touch to reset password” appears touch the screen, your PIN will be erased and
the thermostat will unlock.
SIMPLE THERMOSTAT MODE
40
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TrueTouch™ thermostat can also function as a virtual non-programmable thermostat
after it has been switched to a “SIMPLE MODE”.
>>
To enable “SIMPLE MODE”, press the reset button (take off the thermostat faceplate
and press the reset button located in the bottom right-hand corner). The message
“TOUCH FOR SIMPLE THERMOSTAT” will appear. Touch the screen immediately,
and it becomes a simplified non-programmable thermostat.
>>
“SIMPLE MODE” has the following temperature control modes:
>>
“SIMPLE MODE” has the following fan operation modes:
Please note that when entering "SIMPLE MODE" all configurations and settings are
stored permenantly.
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To revert back to the Programmable TrueTouch™ Thermostat, simply press the reset
button and touch the screen when the message “TOUCH FOR PROGRAMMABLE
THERMOSTAT” appears.