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ENVISION RESIDENTIAL INSTALLATION MANUAL
The following tables show the codes that will be displayed on the different ComforTalk and FaultFlash thermostats.
FaultFlash Thermostats ComforTalk Thermostats
Thermostat Display
Lockout Code
Thermostat Display
Lockout Code
Lockout Description Lockout Description
2 Flashes High Pressure Fault "High Pressure" or "E2" High Pressure Fault
3 Flashes Low Pressure Fault "Low Pressure" or "E3" Low Pressure Fault
4 Flashes Not Applicable "E4" Not Applicable
5 Flashes Water Flow Fault "Water Flow" or "E5" Water Flow Fault
6 Flashes Not Applicable "E6" Not Applicable
7 Flashes Condensate Fault "Condensate" or "E7" Condensate Fault
8 Flashes Voltage out of Range "Voltage Range" or "E8" Voltage out of Range
9 Flashes RPM Fault "RPM" or "E9" RPM Fault
10 Flashes
Comfort Alert Compressor
Module Fault
"Comfort Alert" or "E10"
Comfort Alert Compressor
Module Fault
Lockout code 10 - see Comfort Alert module to determine the specific flash code for
compressor abnormalities.
These thermostats can be configured to display the lockout condition "text" or error number.
* A slow flash of 1 second on and off means the heat pump microprocessor SW2-1 is configured
for "Test Mode" or thermostat is miswired.
Lockout code 10 - see Comfort Alert module to determine the specific flash code for
compressor abnormalities.
TA32W01 and TP32W02 Thermostats TP32U03, TP32U04 and TP32U05 Thermostats
Thermostat Displays
Fault Flash
When using a TA32W01 or TP32W02 thermostat and SW2-8 is in the pulsing “L” position, FaultFlash will enable a user to view the
thermostat and count the fault indicator fl ashes to determine the lockout condition the unit is experiencing.
ComforTalk
When using a TP32U03, 04 or 05 thermostat and SW2-8 is in the pulsing “L” position, ComforTalk will enable the user to view the
thermostat and determine the fault. The thermostat can be confi gured to show either lockout text or lockout codes.
The LED board on the front of the unit will display all lockouts. The Low Pressure LED will fl ash for a low pressure condition or a
Comfort Alert fault. If the low pressure lockout was caused by Comfort Alert codes 4, 6 or 7, then the Comfort Alert will be fl ashing. If no
Comfort Alert code is visible, then it is a low pressure lockout.
Microprocessor Control (cont.)