Troubleshooting - Carrier 33CS2PPRH-02 Owner's Manual

TROUBLESHOOTING

There are system error messages that may appear on the
thermostat screen. See Table 4 for a list the possible system er-
ror messages and what they mean.
Table 4 — Thermostat Error Code Descriptions
ERROR
CODE
The system is not communicating properly.
E1
Call your local Carrier representative for service
The temperature sensor has failed.
E3
Call your local Carrier representative for service
There is an internal memory failure.
E4
Call your local Carrier representative for service
The humidity sensor is not working.
E5
Call your local Carrier representative for service
6
DESCRIPTION