Carrier Edge TP-PHP Manual de Instruções descarregar pdf (Página 49)

E3 -- If AC/HP Control cannot properly read outdoor temperature, and it is needed

for proper operation, display will indicate “----” in the outdoor temperature location.

E4 -- If AC/HP Control’s internal memory fails, E4 will be displayed. Replace

AC/HP Control.

Table 3 can be used as a troubleshooting tool for determining which outputs will be

active for a particular configuration and each operating mode.

When replacing a failed component such as an equipment control module or a

display module, the installer should replace both parts as a matched set. It is very

easy to accidentally mix an A/C or HP display with a PAC equipment control

module. When this happens, some functions appear in the setup while others do not.

This can be very confusing to troubleshoot. Verify that both parts have the same

model and serial number when troubleshooting the thermostat.

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Carrier Edge TP-PHP Manual de Instruções Página 49